252903457 has 4 divisors (see below), whose sum is σ = 259071876. Its totient is φ = 246735040.

The previous prime is 252903451. The next prime is 252903467. The reversal of 252903457 is 754309252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71166096 + 181737361 = 8436^2 + 13481^2 .

It is a cyclic number.

It is not a de Polignac number, because 252903457 - 2²³ = 244514849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252903451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084148 + ... + 3084229.

It is an arithmetic number, because the mean of its divisors is an integer number (64767969).

Almost surely, 2^252903457 is an apocalyptic number.

It is an amenable number.

252903457 is a deficient number, since it is larger than the sum of its proper divisors (6168419).

252903457 is an equidigital number, since it uses as much as digits as its factorization.

252903457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168418.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 252903457 is about 15902.9386278134. The cubic root of 252903457 is about 632.3898953775.

The spelling of 252903457 in words is "two hundred fifty-two million, nine hundred three thousand, four hundred fifty-seven".