2538715 has 4 divisors (see below), whose sum is σ = 3046464. Its totient is φ = 2030968.

The previous prime is 2538713. The next prime is 2538733. The reversal of 2538715 is 5178352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2538715 - 2¹ = 2538713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253867 + ... + 253876.

It is an arithmetic number, because the mean of its divisors is an integer number (761616).

2^2538715 is an apocalyptic number.

2538715 is a deficient number, since it is larger than the sum of its proper divisors (507749).

2538715 is an equidigital number, since it uses as much as digits as its factorization.

2538715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507748.

The product of its digits is 8400, while the sum is 31.

The square root of 2538715 is about 1593.3345536955. The cubic root of 2538715 is about 136.4178863608.

The spelling of 2538715 in words is "two million, five hundred thirty-eight thousand, seven hundred fifteen".