2515972 has 6 divisors (see below), whose sum is σ = 4402958. Its totient is φ = 1257984.

The previous prime is 2515967. The next prime is 2516021. The reversal of 2515972 is 2795152.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 576 = 1586^2 + 24^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314493 + ... + 314500.

2^2515972 is an apocalyptic number.

It is an amenable number.

2515972 is a deficient number, since it is larger than the sum of its proper divisors (1886986).

2515972 is a wasteful number, since it uses less digits than its factorization.

2515972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628997 (or 628995 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 2515972 is about 1586.1815785086. The cubic root of 2515972 is about 136.0092986722.

The spelling of 2515972 in words is "two million, five hundred fifteen thousand, nine hundred seventy-two".