2551575601 has 4 divisors (see below), whose sum is σ = 2569932400. Its totient is φ = 2533218804.

The previous prime is 2551575563. The next prime is 2551575619. The reversal of 2551575601 is 1065751552.

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 2551575601 - 2⁷ = 2551575473 is a prime.

It is a super-2 number, since 2×2551575601² = 13021076095237022402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551575641) 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, 9178191 + ... + 9178468.

It is an arithmetic number, because the mean of its divisors is an integer number (642483100).

Almost surely, 2^2551575601 is an apocalyptic number.

It is an amenable number.

2551575601 is a deficient number, since it is larger than the sum of its proper divisors (18356799).

2551575601 is a wasteful number, since it uses less digits than its factorization.

2551575601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18356798.

The product of its (nonzero) digits is 52500, while the sum is 37.

The square root of 2551575601 is about 50513.1230572809. The cubic root of 2551575601 is about 1366.4785333403.

The spelling of 2551575601 in words is "two billion, five hundred fifty-one million, five hundred seventy-five thousand, six hundred one".