253423225 has 24 divisors (see below), whose sum is σ = 343728000. Its totient is φ = 183816000.

The previous prime is 253423213. The next prime is 253423229. The reversal of 253423225 is 522324352.

It is a happy number.

It is not a de Polignac number, because 253423225 - 2¹³ = 253415033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253423193 and 253423202.

It is not an unprimeable number, because it can be changed into a prime (253423229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125776 + ... + 127774.

It is an arithmetic number, because the mean of its divisors is an integer number (14322000).

Almost surely, 2^253423225 is an apocalyptic number.

253423225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253423225 is a deficient number, since it is larger than the sum of its proper divisors (90304775).

253423225 is a wasteful number, since it uses less digits than its factorization.

253423225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2476 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 253423225 is about 15919.2721253203. The cubic root of 253423225 is about 632.8228288412.

Adding to 253423225 its reverse (522324352), we get a palindrome (775747577).

The spelling of 253423225 in words is "two hundred fifty-three million, four hundred twenty-three thousand, two hundred twenty-five".