253129268 has 12 divisors (see below), whose sum is σ = 506258592. Its totient is φ = 108483960.

The previous prime is 253129249. The next prime is 253129277. The reversal of 253129268 is 862921352.

253129268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

253129268 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4520138 + ... + 4520193.

It is an arithmetic number, because the mean of its divisors is an integer number (42188216).

Almost surely, 2^253129268 is an apocalyptic number.

253129268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253129268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253129268 is a wasteful number, since it uses less digits than its factorization.

253129268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040342 (or 9040340 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 253129268 is about 15910.0367064316. The cubic root of 253129268 is about 632.5780542853.

The spelling of 253129268 in words is "two hundred fifty-three million, one hundred twenty-nine thousand, two hundred sixty-eight".