2515044 has 48 divisors (see below), whose sum is σ = 6809600. Its totient is φ = 707616.

The previous prime is 2515039. The next prime is 2515067. The reversal of 2515044 is 4405152.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2515044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6447 + ... + 6825.

2^2515044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3404800).

2515044 is an abundant number, since it is smaller than the sum of its proper divisors (4294556).

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

2515044 is a wasteful number, since it uses less digits than its factorization.

2515044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2515044 is about 1585.8890251212. The cubic root of 2515044 is about 135.9925745658.

The spelling of 2515044 in words is "two million, five hundred fifteen thousand, forty-four".