258942612 has 24 divisors (see below), whose sum is σ = 608052256. Its totient is φ = 85763808.

The previous prime is 258942611. The next prime is 258942641. The reversal of 258942612 is 216249852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258942611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66838 + ... + 70605.

Almost surely, 2^258942612 is an apocalyptic number.

It is an amenable number.

258942612 is an abundant number, since it is smaller than the sum of its proper divisors (349109644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258942612 is a wasteful number, since it uses less digits than its factorization.

258942612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137607 (or 137605 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 258942612 is about 16091.6938822487. The cubic root of 258942612 is about 637.3840256544.

The spelling of 258942612 in words is "two hundred fifty-eight million, nine hundred forty-two thousand, six hundred twelve".