257036125 has 8 divisors (see below), whose sum is σ = 320781240. Its totient is φ = 205628800.

The previous prime is 257036119. The next prime is 257036137. The reversal of 257036125 is 521630752.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 256864729 = 414^2 + 16027^2 .

It is not a de Polignac number, because 257036125 - 2¹³ = 257027933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028020 + ... + 1028269.

It is an arithmetic number, because the mean of its divisors is an integer number (40097655).

Almost surely, 2^257036125 is an apocalyptic number.

257036125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

257036125 is a deficient number, since it is larger than the sum of its proper divisors (63745115).

257036125 is an equidigital number, since it uses as much as digits as its factorization.

257036125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056304 (or 2056294 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 257036125 is about 16032.3462100842. The cubic root of 257036125 is about 635.8159061673.

Adding to 257036125 its reverse (521630752), we get a palindrome (778666877).

The spelling of 257036125 in words is "two hundred fifty-seven million, thirty-six thousand, one hundred twenty-five".