2504001001 has 4 divisors (see below), whose sum is σ = 2504250000. Its totient is φ = 2503752004.

The previous prime is 2504000981. The next prime is 2504001047. The reversal of 2504001001 is 1001004052.

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 2504001001 - 2¹¹ = 2503998953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2504001601) 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, 108751 + ... + 129748.

It is an arithmetic number, because the mean of its divisors is an integer number (626062500).

Almost surely, 2^2504001001 is an apocalyptic number.

It is an amenable number.

2504001001 is a deficient number, since it is larger than the sum of its proper divisors (248999).

2504001001 is a wasteful number, since it uses less digits than its factorization.

2504001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248998.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2504001001 is about 50039.9940147878. The cubic root of 2504001001 is about 1357.9324482366.

Adding to 2504001001 its reverse (1001004052), we get a palindrome (3505005053).

The spelling of 2504001001 in words is "two billion, five hundred four million, one thousand, one".