2531054644 has 24 divisors (see below), whose sum is σ = 4658508288. Its totient is φ = 1201593120.

The previous prime is 2531054641. The next prime is 2531054651. The reversal of 2531054644 is 4464501352.

2531054644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2531054644² = 12812475221827933472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531054641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185992 + ... + 199135.

It is an arithmetic number, because the mean of its divisors is an integer number (194104512).

Almost surely, 2^2531054644 is an apocalyptic number.

It is an amenable number.

2531054644 is a deficient number, since it is larger than the sum of its proper divisors (2127453644).

2531054644 is a wasteful number, since it uses less digits than its factorization.

2531054644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385215 (or 385213 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2531054644 is about 50309.5879927475. The cubic root of 2531054644 is about 1362.8053834346.

Adding to 2531054644 its reverse (4464501352), we get a palindrome (6995555996).

The spelling of 2531054644 in words is "two billion, five hundred thirty-one million, fifty-four thousand, six hundred forty-four".