253429274 has 24 divisors (see below), whose sum is σ = 444709440. Its totient is φ = 107998296.

The previous prime is 253429273. The next prime is 253429279. The reversal of 253429274 is 472924352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (253429273) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10319 + ... + 24765.

It is an arithmetic number, because the mean of its divisors is an integer number (18529560).

Almost surely, 2^253429274 is an apocalyptic number.

253429274 is a deficient number, since it is larger than the sum of its proper divisors (191280166).

253429274 is a wasteful number, since it uses less digits than its factorization.

253429274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14642 (or 14635 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 253429274 is about 15919.4621140289. The cubic root of 253429274 is about 632.8278637847.

The spelling of 253429274 in words is "two hundred fifty-three million, four hundred twenty-nine thousand, two hundred seventy-four".