2515244 has 6 divisors (see below), whose sum is σ = 4401684. Its totient is φ = 1257620.

The previous prime is 2515241. The next prime is 2515273. The reversal of 2515244 is 4425152.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2515241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314402 + ... + 314409.

It is an arithmetic number, because the mean of its divisors is an integer number (733614).

2^2515244 is an apocalyptic number.

It is an amenable number.

2515244 is a deficient number, since it is larger than the sum of its proper divisors (1886440).

2515244 is a wasteful number, since it uses less digits than its factorization.

2515244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628815 (or 628813 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 2515244 is about 1585.9520799822. The cubic root of 2515244 is about 135.9961792468.

The spelling of 2515244 in words is "two million, five hundred fifteen thousand, two hundred forty-four".