2521424216 has 16 divisors (see below), whose sum is σ = 4734663840. Its totient is φ = 1258847200.

The previous prime is 2521424189. The next prime is 2521424249. The reversal of 2521424216 is 6124241252.

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, 227360 + ... + 238191.

It is an arithmetic number, because the mean of its divisors is an integer number (295916490).

Almost surely, 2^2521424216 is an apocalyptic number.

It is an amenable number.

2521424216 is a deficient number, since it is larger than the sum of its proper divisors (2213239624).

2521424216 is a wasteful number, since it uses less digits than its factorization.

2521424216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466234 (or 466230 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2521424216 is about 50213.7851192280. The cubic root of 2521424216 is about 1361.0747372609.

Adding to 2521424216 its reverse (6124241252), we get a palindrome (8645665468).

The spelling of 2521424216 in words is "two billion, five hundred twenty-one million, four hundred twenty-four thousand, two hundred sixteen".