2504216501 has 6 divisors (see below), whose sum is σ = 2660188770. Its totient is φ = 2356909376.

The previous prime is 2504216483. The next prime is 2504216509. The reversal of 2504216501 is 1056124052.

It can be written as a sum of positive squares in 3 ways, for example, as 474804100 + 2029412401 = 21790^2 + 45049^2 .

It is not a de Polignac number, because 2504216501 - 2⁶ = 2504216437 is a prime.

It is a super-2 number, since 2×2504216501² = 12542200567761366002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504216509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4332266 + ... + 4332843.

It is an arithmetic number, because the mean of its divisors is an integer number (443364795).

Almost surely, 2^2504216501 is an apocalyptic number.

It is an amenable number.

2504216501 is a deficient number, since it is larger than the sum of its proper divisors (155972269).

2504216501 is an equidigital number, since it uses as much as digits as its factorization.

2504216501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8665143 (or 8665126 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2504216501 is about 50042.1472460965. The cubic root of 2504216501 is about 1357.9714027003.

The spelling of 2504216501 in words is "two billion, five hundred four million, two hundred sixteen thousand, five hundred one".