2538615 has 8 divisors (see below), whose sum is σ = 4061808. Its totient is φ = 1353920.

The previous prime is 2538589. The next prime is 2538617. The reversal of 2538615 is 5168352.

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

It is not a de Polignac number, because 2538615 - 2⁸ = 2538359 is a prime.

It is a super-2 number, since 2×2538615² = 12889132236450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84606 + ... + 84635.

It is an arithmetic number, because the mean of its divisors is an integer number (507726).

2^2538615 is an apocalyptic number.

2538615 is a deficient number, since it is larger than the sum of its proper divisors (1523193).

2538615 is a wasteful number, since it uses less digits than its factorization.

2538615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169249.

The product of its digits is 7200, while the sum is 30.

The square root of 2538615 is about 1593.3031726574. The cubic root of 2538615 is about 136.4160951702.

The spelling of 2538615 in words is "two million, five hundred thirty-eight thousand, six hundred fifteen".