258902591 has 4 divisors (see below), whose sum is σ = 260033400. Its totient is φ = 257771784.

The previous prime is 258902587. The next prime is 258902593. The reversal of 258902591 is 195209852.

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

It is a cyclic number.

It is not a de Polignac number, because 258902591 - 2² = 258902587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258902593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565061 + ... + 565518.

It is an arithmetic number, because the mean of its divisors is an integer number (65008350).

Almost surely, 2^258902591 is an apocalyptic number.

258902591 is a deficient number, since it is larger than the sum of its proper divisors (1130809).

258902591 is a wasteful number, since it uses less digits than its factorization.

258902591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130808.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 258902591 is about 16090.4503044508. The cubic root of 258902591 is about 637.3511868976.

The spelling of 258902591 in words is "two hundred fifty-eight million, nine hundred two thousand, five hundred ninety-one".