258855601 has 4 divisors (see below), whose sum is σ = 272479600. Its totient is φ = 245231604.

The previous prime is 258855599. The next prime is 258855613. The reversal of 258855601 is 106558852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258855601 - 2¹ = 258855599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258855661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6811971 + ... + 6812008.

It is an arithmetic number, because the mean of its divisors is an integer number (68119900).

Almost surely, 2^258855601 is an apocalyptic number.

It is an amenable number.

258855601 is a deficient number, since it is larger than the sum of its proper divisors (13623999).

258855601 is a wasteful number, since it uses less digits than its factorization.

258855601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13623998.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 258855601 is about 16088.9900553142. The cubic root of 258855601 is about 637.3126254909.

The spelling of 258855601 in words is "two hundred fifty-eight million, eight hundred fifty-five thousand, six hundred one".