2552615 has 16 divisors (see below), whose sum is σ = 3332448. Its totient is φ = 1865856.

The previous prime is 2552611. The next prime is 2552621. The reversal of 2552615 is 5162552.

It is a cyclic number.

It is not a de Polignac number, because 2552615 - 2² = 2552611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11132 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (208278).

2^2552615 is an apocalyptic number.

2552615 is a deficient number, since it is larger than the sum of its proper divisors (779833).

2552615 is a wasteful number, since it uses less digits than its factorization.

2552615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418.

The product of its digits is 3000, while the sum is 26.

The square root of 2552615 is about 1597.6905207205. The cubic root of 2552615 is about 136.6664055782. Note that the first 3 decimals are identical.

The spelling of 2552615 in words is "two million, five hundred fifty-two thousand, six hundred fifteen".