258417057 has 32 divisors (see below), whose sum is σ = 370529280. Its totient is φ = 159888960.

The previous prime is 258417041. The next prime is 258417113. The reversal of 258417057 is 750714852.

258417057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 258417057 - 2⁴ = 258417041 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (258417037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250132 + ... + 251162.

It is an arithmetic number, because the mean of its divisors is an integer number (11579040).

Almost surely, 2^258417057 is an apocalyptic number.

It is an amenable number.

258417057 is a deficient number, since it is larger than the sum of its proper divisors (112112223).

258417057 is a wasteful number, since it uses less digits than its factorization.

258417057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 258417057 is about 16075.3555792710. The cubic root of 258417057 is about 636.9525178872.

The spelling of 258417057 in words is "two hundred fifty-eight million, four hundred seventeen thousand, fifty-seven".