2531401504 has 24 divisors (see below), whose sum is σ = 5058084528. Its totient is φ = 1246808640.

The previous prime is 2531401493. The next prime is 2531401511. The reversal of 2531401504 is 4051041352.

It is a happy 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, 588202 + ... + 592489.

It is an arithmetic number, because the mean of its divisors is an integer number (210753522).

Almost surely, 2^2531401504 is an apocalyptic number.

It is an amenable number.

2531401504 is a deficient number, since it is larger than the sum of its proper divisors (2526683024).

2531401504 is a wasteful number, since it uses less digits than its factorization.

2531401504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180768 (or 1180760 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2531401504 is about 50313.0351300734. The cubic root of 2531401504 is about 1362.8676343077.

Adding to 2531401504 its reverse (4051041352), we get a palindrome (6582442856).

The spelling of 2531401504 in words is "two billion, five hundred thirty-one million, four hundred one thousand, five hundred four".