258535542 has 8 divisors (see below), whose sum is σ = 517071096. Its totient is φ = 86178512.

The previous prime is 258535523. The next prime is 258535549. The reversal of 258535542 is 245535852.

It is a sphenic number, since it is the product of 3 distinct primes.

258535542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 258535542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258535549) 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, 21544623 + ... + 21544634.

It is an arithmetic number, because the mean of its divisors is an integer number (64633887).

Almost surely, 2^258535542 is an apocalyptic number.

258535542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

258535542 is a wasteful number, since it uses less digits than its factorization.

258535542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43089262.

The product of its digits is 240000, while the sum is 39.

The square root of 258535542 is about 16079.0404564452. The cubic root of 258535542 is about 637.0498512296.

The spelling of 258535542 in words is "two hundred fifty-eight million, five hundred thirty-five thousand, five hundred forty-two".