2972515 has 32 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 1828224.

The previous prime is 2972507. The next prime is 2972527. The reversal of 2972515 is 5152792.

2972515 = 26² + 27² + ... + 207².

It is a cyclic number.

It is not a de Polignac number, because 2972515 - 2³ = 2972507 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21316 + ... + 21454.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^2972515 is an apocalyptic number.

2972515 is a deficient number, since it is larger than the sum of its proper divisors (1543325).

2972515 is a wasteful number, since it uses less digits than its factorization.

2972515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

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

The square root of 2972515 is about 1724.0983150621. The cubic root of 2972515 is about 143.7831580725.

The spelling of 2972515 in words is "two million, nine hundred seventy-two thousand, five hundred fifteen".