2558552497 has 4 divisors (see below), whose sum is σ = 2561518080. Its totient is φ = 2555586916.

The previous prime is 2558552471. The next prime is 2558552501. The reversal of 2558552497 is 7942558552.

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 a de Polignac number, because none of the positive numbers 2^k-2558552497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2558552467) 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, 1481497 + ... + 1483222.

It is an arithmetic number, because the mean of its divisors is an integer number (640379520).

Almost surely, 2^2558552497 is an apocalyptic number.

It is an amenable number.

2558552497 is a deficient number, since it is larger than the sum of its proper divisors (2965583).

2558552497 is an equidigital number, since it uses as much as digits as its factorization.

2558552497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965582.

The product of its digits is 5040000, while the sum is 52.

The square root of 2558552497 is about 50582.1361450858. The cubic root of 2558552497 is about 1367.7228758855.

The spelling of 2558552497 in words is "two billion, five hundred fifty-eight million, five hundred fifty-two thousand, four hundred ninety-seven".