2504400001 has 4 divisors (see below), whose sum is σ = 2509501104. Its totient is φ = 2499298900.

The previous prime is 2504399987. The next prime is 2504400049. The reversal of 2504400001 is 1000044052.

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 2504400001 - 2²³ = 2496011393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2504400061) 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, 2549815 + ... + 2550796.

It is an arithmetic number, because the mean of its divisors is an integer number (627375276).

Almost surely, 2^2504400001 is an apocalyptic number.

It is an amenable number.

2504400001 is a deficient number, since it is larger than the sum of its proper divisors (5101103).

2504400001 is an equidigital number, since it uses as much as digits as its factorization.

2504400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101102.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2504400001 is about 50043.9806670093. The cubic root of 2504400001 is about 1358.0045709808.

Adding to 2504400001 its reverse (1000044052), we get a palindrome (3504444053).

The spelling of 2504400001 in words is "two billion, five hundred four million, four hundred thousand, one".