2545802631 has 6 divisors (see below), whose sum is σ = 3677270480. Its totient is φ = 1697201748.

The previous prime is 2545802621. The next prime is 2545802641. The reversal of 2545802631 is 1362085452.

2545802631 is a `hidden beast` number, since 2 + 54 + 580 + 26 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2545802621) and next prime (2545802641).

It is not a de Polignac number, because 2545802631 - 2⁵ = 2545802599 is a prime.

It is a super-2 number, since 2×2545802631² = 12962222072013044322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545802621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141433471 + ... + 141433488.

Almost surely, 2^2545802631 is an apocalyptic number.

2545802631 is a deficient number, since it is larger than the sum of its proper divisors (1131467849).

2545802631 is a wasteful number, since it uses less digits than its factorization.

2545802631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282866965 (or 282866962 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2545802631 is about 50455.9474294161. The cubic root of 2545802631 is about 1365.4471971932.

The spelling of 2545802631 in words is "two billion, five hundred forty-five million, eight hundred two thousand, six hundred thirty-one".