258752490 has 16 divisors (see below), whose sum is σ = 621006048. Its totient is φ = 69000656.

The previous prime is 258752489. The next prime is 258752491. The reversal of 258752490 is 94257852.

It is an interprime number because it is at equal distance from previous prime (258752489) and next prime (258752491).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (258752491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312512 + ... + 4312571.

It is an arithmetic number, because the mean of its divisors is an integer number (38812878).

Almost surely, 2^258752490 is an apocalyptic number.

258752490 is an abundant number, since it is smaller than the sum of its proper divisors (362253558).

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

258752490 is a wasteful number, since it uses less digits than its factorization.

258752490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625093.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 258752490 is about 16085.7853398583. The cubic root of 258752490 is about 637.2279931461.

The spelling of 258752490 in words is "two hundred fifty-eight million, seven hundred fifty-two thousand, four hundred ninety".