2548623265 has 4 divisors (see below), whose sum is σ = 3058347924. Its totient is φ = 2038898608.

The previous prime is 2548623247. The next prime is 2548623293. The reversal of 2548623265 is 5623268452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1312467984 + 1236155281 = 36228^2 + 35159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2548623265 - 2¹⁹ = 2548098977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254862322 + ... + 254862331.

It is an arithmetic number, because the mean of its divisors is an integer number (764586981).

Almost surely, 2^2548623265 is an apocalyptic number.

It is an amenable number.

2548623265 is a deficient number, since it is larger than the sum of its proper divisors (509724659).

2548623265 is an equidigital number, since it uses as much as digits as its factorization.

2548623265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509724658.

The product of its digits is 691200, while the sum is 43.

The square root of 2548623265 is about 50483.8911436113. The cubic root of 2548623265 is about 1365.9512956145.

The spelling of 2548623265 in words is "two billion, five hundred forty-eight million, six hundred twenty-three thousand, two hundred sixty-five".