2501206504 has 8 divisors (see below), whose sum is σ = 4689762210. Its totient is φ = 1250603248.

The previous prime is 2501206489. The next prime is 2501206613. The reversal of 2501206504 is 4056021052.

It can be written as a sum of positive squares in only one way, i.e., 1303354404 + 1197852100 = 36102^2 + 34610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156325399 + ... + 156325414.

Almost surely, 2^2501206504 is an apocalyptic number.

It is an amenable number.

2501206504 is a deficient number, since it is larger than the sum of its proper divisors (2188555706).

2501206504 is a wasteful number, since it uses less digits than its factorization.

2501206504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312650819 (or 312650815 counting only the distinct ones).

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

The square root of 2501206504 is about 50012.0635846992. The cubic root of 2501206504 is about 1357.4271035655.

Adding to 2501206504 its reverse (4056021052), we get a palindrome (6557227556).

The spelling of 2501206504 in words is "two billion, five hundred one million, two hundred six thousand, five hundred four".