257112627 has 4 divisors (see below), whose sum is σ = 342816840. Its totient is φ = 171408416.

The previous prime is 257112623. The next prime is 257112631. The reversal of 257112627 is 726211752.

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

It is an interprime number because it is at equal distance from previous prime (257112623) and next prime (257112631).

It is a cyclic number.

It is not a de Polignac number, because 257112627 - 2² = 257112623 is a prime.

It is a super-2 number, since 2×257112627² = 132213805925682258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (257112623) 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, 42852102 + ... + 42852107.

It is an arithmetic number, because the mean of its divisors is an integer number (85704210).

Almost surely, 2^257112627 is an apocalyptic number.

257112627 is a deficient number, since it is larger than the sum of its proper divisors (85704213).

257112627 is an equidigital number, since it uses as much as digits as its factorization.

257112627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85704212.

The product of its digits is 11760, while the sum is 33.

The square root of 257112627 is about 16034.7318967297. The cubic root of 257112627 is about 635.8789794850.

The spelling of 257112627 in words is "two hundred fifty-seven million, one hundred twelve thousand, six hundred twenty-seven".