2515045 has 8 divisors (see below), whose sum is σ = 3250296. Its totient is φ = 1857216.

The previous prime is 2515039. The next prime is 2515067. The reversal of 2515045 is 5405152.

It can be written as a sum of positive squares in 4 ways, for example, as 256036 + 2259009 = 506^2 + 1503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2515045 - 2⁵ = 2515013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19282 + ... + 19411.

It is an arithmetic number, because the mean of its divisors is an integer number (406287).

2^2515045 is an apocalyptic number.

It is an amenable number.

2515045 is a deficient number, since it is larger than the sum of its proper divisors (735251).

2515045 is a wasteful number, since it uses less digits than its factorization.

2515045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38711.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2515045 is about 1585.8893404018. The cubic root of 2515045 is about 135.9925925896.

The spelling of 2515045 in words is "two million, five hundred fifteen thousand, forty-five".