202534225 has 6 divisors (see below), whose sum is σ = 251142470. Its totient is φ = 162027360.

The previous prime is 202534217. The next prime is 202534229. The reversal of 202534225 is 522435202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 439569 + 202094656 = 663^2 + 14216^2 .

It is not a de Polignac number, because 202534225 - 2³ = 202534217 is a prime.

It is a super-2 number, since 2×202534225² = 82040224592701250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 8101369 = 202534225 / (2 + 0 + 2 + 5 + 3 + 4 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 202534225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202534229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4050660 + ... + 4050709.

Almost surely, 2^202534225 is an apocalyptic number.

202534225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202534225 is a deficient number, since it is larger than the sum of its proper divisors (48608245).

202534225 is an equidigital number, since it uses as much as digits as its factorization.

202534225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101379 (or 8101374 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 202534225 is about 14231.4519638721. The cubic root of 202534225 is about 587.2632273598.

Adding to 202534225 its reverse (522435202), we get a palindrome (724969427).

It can be divided in two parts, 2025 and 34225, that multiplied together give a square (69305625 = 8325²).

The spelling of 202534225 in words is "two hundred two million, five hundred thirty-four thousand, two hundred twenty-five".