257231059 has 4 divisors (see below), whose sum is σ = 257362504. Its totient is φ = 257099616.

The previous prime is 257231017. The next prime is 257231071. The reversal of 257231059 is 950132752.

257231059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-257231059 is a prime.

It is a super-2 number, since 2×257231059² = 132335635428522962, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (257237059) 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, 62742 + ... + 66715.

It is an arithmetic number, because the mean of its divisors is an integer number (64340626).

Almost surely, 2^257231059 is an apocalyptic number.

257231059 is a deficient number, since it is larger than the sum of its proper divisors (131445).

257231059 is a wasteful number, since it uses less digits than its factorization.

257231059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131444.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 257231059 is about 16038.4244550392. The cubic root of 257231059 is about 635.9765980010.

The spelling of 257231059 in words is "two hundred fifty-seven million, two hundred thirty-one thousand, fifty-nine".