2531040504 has 32 divisors (see below), whose sum is σ = 6338602320. Its totient is φ = 842213376.

The previous prime is 2531040481. The next prime is 2531040509. The reversal of 2531040504 is 4050401352.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531040509) 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, 77539 + ... + 105234.

Almost surely, 2^2531040504 is an apocalyptic number.

2531040504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2531040504 is an abundant number, since it is smaller than the sum of its proper divisors (3807561816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531040504 is a wasteful number, since it uses less digits than its factorization.

2531040504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183359 (or 183355 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2531040504 is about 50309.4474626784. The cubic root of 2531040504 is about 1362.8028456119.

Adding to 2531040504 its reverse (4050401352), we get a palindrome (6581441856).

The spelling of 2531040504 in words is "two billion, five hundred thirty-one million, forty thousand, five hundred four".