257052802 has 16 divisors (see below), whose sum is σ = 391614912. Its totient is φ = 126520240.

The previous prime is 257052791. The next prime is 257052857. The reversal of 257052802 is 208250752.

It is a super-2 number, since 2×257052802² = 132152286032102408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142953 + ... + 144739.

It is an arithmetic number, because the mean of its divisors is an integer number (24475932).

Almost surely, 2^257052802 is an apocalyptic number.

257052802 is a deficient number, since it is larger than the sum of its proper divisors (134562110).

257052802 is a wasteful number, since it uses less digits than its factorization.

257052802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 257052802 is about 16032.8663064344. The cubic root of 257052802 is about 635.8296568577.

The spelling of 257052802 in words is "two hundred fifty-seven million, fifty-two thousand, eight hundred two".