258437002 has 4 divisors (see below), whose sum is σ = 387655506. Its totient is φ = 129218500.

The previous prime is 258436979. The next prime is 258437021. The reversal of 258437002 is 200734852.

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

It can be written as a sum of positive squares in only one way, i.e., 253096281 + 5340721 = 15909^2 + 2311^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64609249 + ... + 64609252.

Almost surely, 2^258437002 is an apocalyptic number.

258437002 is a deficient number, since it is larger than the sum of its proper divisors (129218504).

258437002 is a wasteful number, since it uses less digits than its factorization.

258437002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129218503.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 258437002 is about 16075.9759268295. The cubic root of 258437002 is about 636.9689044360.

The spelling of 258437002 in words is "two hundred fifty-eight million, four hundred thirty-seven thousand, two".