253505434 has 32 divisors (see below), whose sum is σ = 468913536. Its totient is φ = 100094400.

The previous prime is 253505407. The next prime is 253505449. The reversal of 253505434 is 434505352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 253505396 and 253505405.

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, 126589 + ... + 128575.

It is an arithmetic number, because the mean of its divisors is an integer number (14653548).

Almost surely, 2^253505434 is an apocalyptic number.

253505434 is a deficient number, since it is larger than the sum of its proper divisors (215408102).

253505434 is a wasteful number, since it uses less digits than its factorization.

253505434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 253505434 is about 15921.8539749616. The cubic root of 253505434 is about 632.8912494415.

The spelling of 253505434 in words is "two hundred fifty-three million, five hundred five thousand, four hundred thirty-four".