2504531401 has 4 divisors (see below), whose sum is σ = 2507257600. Its totient is φ = 2501805204.

The previous prime is 2504531389. The next prime is 2504531411. The reversal of 2504531401 is 1041354052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2504531401 - 2¹¹ = 2504529353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2504531411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361721 + ... + 1363558.

It is an arithmetic number, because the mean of its divisors is an integer number (626814400).

Almost surely, 2^2504531401 is an apocalyptic number.

It is an amenable number.

2504531401 is a deficient number, since it is larger than the sum of its proper divisors (2726199).

2504531401 is an equidigital number, since it uses as much as digits as its factorization.

2504531401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726198.

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

The square root of 2504531401 is about 50045.2934949931. The cubic root of 2504531401 is about 1358.0283210048.

Adding to 2504531401 its reverse (1041354052), we get a palindrome (3545885453).

The spelling of 2504531401 in words is "two billion, five hundred four million, five hundred thirty-one thousand, four hundred one".