2521014642 has 48 divisors (see below), whose sum is σ = 5701085208. Its totient is φ = 804360960.

The previous prime is 2521014593. The next prime is 2521014653. The reversal of 2521014642 is 2464101252.

2521014642 is a `hidden beast` number, since 2 + 5 + 2 + 1 + 0 + 14 + 642 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 879063201 + 1641951441 = 29649^2 + 40521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6888 + ... + 71340.

Almost surely, 2^2521014642 is an apocalyptic number.

2521014642 is an abundant number, since it is smaller than the sum of its proper divisors (3180070566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521014642 is a wasteful number, since it uses less digits than its factorization.

2521014642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64555 (or 64552 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2521014642 is about 50209.7066512044. The cubic root of 2521014642 is about 1361.0010367166.

Adding to 2521014642 its reverse (2464101252), we get a palindrome (4985115894).

The spelling of 2521014642 in words is "two billion, five hundred twenty-one million, fourteen thousand, six hundred forty-two".