2521422716 has 12 divisors (see below), whose sum is σ = 4474638000. Its totient is φ = 1242954720.

The previous prime is 2521422671. The next prime is 2521422733. The reversal of 2521422716 is 6172241252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4438841 + ... + 4439408.

It is an arithmetic number, because the mean of its divisors is an integer number (372886500).

Almost surely, 2^2521422716 is an apocalyptic number.

It is an amenable number.

2521422716 is a deficient number, since it is larger than the sum of its proper divisors (1953215284).

2521422716 is a wasteful number, since it uses less digits than its factorization.

2521422716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878324 (or 8878322 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 2521422716 is about 50213.7701830882. The cubic root of 2521422716 is about 1361.0744673588.

Adding to 2521422716 its reverse (6172241252), we get a palindrome (8693663968).

The spelling of 2521422716 in words is "two billion, five hundred twenty-one million, four hundred twenty-two thousand, seven hundred sixteen".