253231429 has 16 divisors (see below), whose sum is σ = 284258304. Its totient is φ = 223599600.

The previous prime is 253231417. The next prime is 253231453. The reversal of 253231429 is 924132352.

It is a cyclic number.

It is not a de Polignac number, because 253231429 - 2⁵ = 253231397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253231429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253231409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88942 + ... + 91744.

It is an arithmetic number, because the mean of its divisors is an integer number (17766144).

Almost surely, 2^253231429 is an apocalyptic number.

It is an amenable number.

253231429 is a deficient number, since it is larger than the sum of its proper divisors (31026875).

253231429 is a wasteful number, since it uses less digits than its factorization.

253231429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its digits is 12960, while the sum is 31.

The square root of 253231429 is about 15913.2469659715. The cubic root of 253231429 is about 632.6631440302.

The spelling of 253231429 in words is "two hundred fifty-three million, two hundred thirty-one thousand, four hundred twenty-nine".