258494502 has 48 divisors (see below), whose sum is σ = 603411120. Its totient is φ = 73608192.

The previous prime is 258494497. The next prime is 258494507. The reversal of 258494502 is 205494852.

It is an interprime number because it is at equal distance from previous prime (258494497) and next prime (258494507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258494507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97774 + ... + 100382.

It is an arithmetic number, because the mean of its divisors is an integer number (12571065).

Almost surely, 2^258494502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258494502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301705560).

258494502 is an abundant number, since it is smaller than the sum of its proper divisors (344916618).

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

258494502 is a wasteful number, since it uses less digits than its factorization.

258494502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 258494502 is about 16077.7642102377. The cubic root of 258494502 is about 637.0161409588.

The spelling of 258494502 in words is "two hundred fifty-eight million, four hundred ninety-four thousand, five hundred two".