253106634 has 32 divisors (see below), whose sum is σ = 552913920. Its totient is φ = 76604400.

The previous prime is 253106627. The next prime is 253106647. The reversal of 253106634 is 436601352.

253106634 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66729 + ... + 70419.

It is an arithmetic number, because the mean of its divisors is an integer number (17278560).

Almost surely, 2^253106634 is an apocalyptic number.

253106634 is an abundant number, since it is smaller than the sum of its proper divisors (299807286).

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

253106634 is a wasteful number, since it uses less digits than its factorization.

253106634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 253106634 is about 15909.3253785319. The cubic root of 253106634 is about 632.5591993625.

Adding to 253106634 its reverse (436601352), we get a palindrome (689707986).

The spelling of 253106634 in words is "two hundred fifty-three million, one hundred six thousand, six hundred thirty-four".