258215090 has 16 divisors (see below), whose sum is σ = 531185472. Its totient is φ = 88530864.

The previous prime is 258215081. The next prime is 258215107. The reversal of 258215090 is 90512852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844324 + ... + 1844463.

It is an arithmetic number, because the mean of its divisors is an integer number (33199092).

Almost surely, 2^258215090 is an apocalyptic number.

258215090 is an abundant number, since it is smaller than the sum of its proper divisors (272970382).

258215090 is a wasteful number, since it uses less digits than its factorization.

258215090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688801.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 258215090 is about 16069.0724685652. The cubic root of 258215090 is about 636.7865369477.

The spelling of 258215090 in words is "two hundred fifty-eight million, two hundred fifteen thousand, ninety".