258132961 has 4 divisors (see below), whose sum is σ = 260165632. Its totient is φ = 256100292.

The previous prime is 258132937. The next prime is 258132967. The reversal of 258132961 is 169231852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258132961 - 2⁵ = 258132929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258132961.

It is not an unprimeable number, because it can be changed into a prime (258132967) 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, 1016145 + ... + 1016398.

It is an arithmetic number, because the mean of its divisors is an integer number (65041408).

Almost surely, 2^258132961 is an apocalyptic number.

It is an amenable number.

258132961 is a deficient number, since it is larger than the sum of its proper divisors (2032671).

258132961 is a wasteful number, since it uses less digits than its factorization.

258132961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032670.

The product of its digits is 25920, while the sum is 37.

The square root of 258132961 is about 16066.5167662440. The cubic root of 258132961 is about 636.7190167688.

The spelling of 258132961 in words is "two hundred fifty-eight million, one hundred thirty-two thousand, nine hundred sixty-one".