253993029 has 12 divisors (see below), whose sum is σ = 346025184. Its totient is φ = 165721624.

The previous prime is 253993009. The next prime is 253993063. The reversal of 253993029 is 920399352.

It is not a de Polignac number, because 253993029 - 2⁵ = 253992997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253993009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12537 + ... + 25790.

It is an arithmetic number, because the mean of its divisors is an integer number (28835432).

Almost surely, 2^253993029 is an apocalyptic number.

It is an amenable number.

253993029 is a deficient number, since it is larger than the sum of its proper divisors (92032155).

253993029 is an equidigital number, since it uses as much as digits as its factorization.

253993029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38424 (or 38377 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 253993029 is about 15937.1587492878. The cubic root of 253993029 is about 633.2967594454.

The spelling of 253993029 in words is "two hundred fifty-three million, nine hundred ninety-three thousand, twenty-nine".