2516684801 has 4 divisors (see below), whose sum is σ = 2516787204. Its totient is φ = 2516582400.

The previous prime is 2516684791. The next prime is 2516684809. The reversal of 2516684801 is 1084866152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1745234176 + 771450625 = 41776^2 + 27775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516684801 - 2²⁶ = 2449575937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516684809) 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, 10241 + ... + 71681.

It is an arithmetic number, because the mean of its divisors is an integer number (629196801).

It is a Poulet number, since it divides 2^2516684800-1.

Almost surely, 2^2516684801 is an apocalyptic number.

2516684801 is the 40961-st pentagonal number.

It is an amenable number.

2516684801 is a deficient number, since it is larger than the sum of its proper divisors (102403).

2516684801 is an equidigital number, since it uses as much as digits as its factorization.

2516684801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102402.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2516684801 is about 50166.5705525104. The cubic root of 2516684801 is about 1360.2214174172.

The spelling of 2516684801 in words is "two billion, five hundred sixteen million, six hundred eighty-four thousand, eight hundred one".