2521000072 has 16 divisors (see below), whose sum is σ = 4732390800. Its totient is φ = 1259029200.

The previous prime is 2521000063. The next prime is 2521000081. The reversal of 2521000072 is 2700001252.

It is an interprime number because it is at equal distance from previous prime (2521000063) and next prime (2521000081).

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, 176554 + ... + 190297.

It is an arithmetic number, because the mean of its divisors is an integer number (295774425).

Almost surely, 2^2521000072 is an apocalyptic number.

It is an amenable number.

2521000072 is a deficient number, since it is larger than the sum of its proper divisors (2211390728).

2521000072 is a wasteful number, since it uses less digits than its factorization.

2521000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367716 (or 367712 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2521000072 is about 50209.5615595277. The cubic root of 2521000072 is about 1360.9984147798.

The spelling of 2521000072 in words is "two billion, five hundred twenty-one million, seventy-two", and thus it is an aban number.