253626 has 16 divisors (see below), whose sum is σ = 520128. Its totient is φ = 82400.

The previous prime is 253613. The next prime is 253633. The reversal of 253626 is 626352.

It is a super-2 number, since 2×253626² = 128652295752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253596 and 253605.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253626.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (32508).

2²⁵³⁶²⁶ is an apocalyptic number.

253626 is an abundant number, since it is smaller than the sum of its proper divisors (266502).

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

253626 is a wasteful number, since it uses less digits than its factorization.

253626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its digits is 2160, while the sum is 24.

The square root of 253626 is about 503.6129466167. The cubic root of 253626 is about 63.2991566913.

Adding to 253626 its reverse (626352), we get a palindrome (879978).

It can be divided in two parts, 2 and 53626, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 253626 in words is "two hundred fifty-three thousand, six hundred twenty-six".