258023894 has 4 divisors (see below), whose sum is σ = 387035844. Its totient is φ = 129011946.

The previous prime is 258023891. The next prime is 258023897. The reversal of 258023894 is 498320852.

258023894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (258023891) and next prime (258023897).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258023891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64505972 + ... + 64505975.

It is an arithmetic number, because the mean of its divisors is an integer number (96758961).

Almost surely, 2^258023894 is an apocalyptic number.

258023894 is a deficient number, since it is larger than the sum of its proper divisors (129011950).

258023894 is a wasteful number, since it uses less digits than its factorization.

258023894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129011949.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 258023894 is about 16063.1221747206. The cubic root of 258023894 is about 636.6293280857.

The spelling of 258023894 in words is "two hundred fifty-eight million, twenty-three thousand, eight hundred ninety-four".