258109532 has 6 divisors (see below), whose sum is σ = 451691688. Its totient is φ = 129054764.

The previous prime is 258109529. The next prime is 258109543. The reversal of 258109532 is 235901852.

258109532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 258109492 and 258109501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32263688 + ... + 32263695.

It is an arithmetic number, because the mean of its divisors is an integer number (75281948).

Almost surely, 2^258109532 is an apocalyptic number.

It is an amenable number.

258109532 is a deficient number, since it is larger than the sum of its proper divisors (193582156).

258109532 is a wasteful number, since it uses less digits than its factorization.

258109532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64527387 (or 64527385 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 258109532 is about 16065.7876246389. The cubic root of 258109532 is about 636.6997526124.

The spelling of 258109532 in words is "two hundred fifty-eight million, one hundred nine thousand, five hundred thirty-two".