202253434 has 8 divisors (see below), whose sum is σ = 304082100. Its totient is φ = 100892736.

The previous prime is 202253431. The next prime is 202253449. The reversal of 202253434 is 434352202.

It can be written as a sum of positive squares in 2 ways, for example, as 200307409 + 1946025 = 14153^2 + 1395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202253399 and 202253408.

It is not an unprimeable number, because it can be changed into a prime (202253431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115909 + ... + 117640.

Almost surely, 2^202253434 is an apocalyptic number.

202253434 is a deficient number, since it is larger than the sum of its proper divisors (101828666).

202253434 is a wasteful number, since it uses less digits than its factorization.

202253434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233984.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 202253434 is about 14221.5833858259. The cubic root of 202253434 is about 586.9917102999.

The spelling of 202253434 in words is "two hundred two million, two hundred fifty-three thousand, four hundred thirty-four".