253625136 has 40 divisors (see below), whose sum is σ = 676337664. Its totient is φ = 81814080.

The previous prime is 253625131. The next prime is 253625147. The reversal of 253625136 is 631526352.

253625136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253625136² = 128651419222036992, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 253625097 and 253625106.

It is not an unprimeable number, because it can be changed into a prime (253625131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83736 + ... + 86711.

Almost surely, 2^253625136 is an apocalyptic number.

It is an amenable number.

253625136 is an abundant number, since it is smaller than the sum of its proper divisors (422712528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253625136 is a wasteful number, since it uses less digits than its factorization.

253625136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170489 (or 170483 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 253625136 is about 15925.6125784850. The cubic root of 253625136 is about 632.9908481315.

It can be divided in two parts, 2536 and 25136, that added together give a palindrome (27672).

The spelling of 253625136 in words is "two hundred fifty-three million, six hundred twenty-five thousand, one hundred thirty-six".