25752615 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 11570304.

The previous prime is 25752613. The next prime is 25752641. The reversal of 25752615 is 51625752.

It is not a de Polignac number, because 25752615 - 2¹ = 25752613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25752611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4117 + ... + 8273.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^25752615 is an apocalyptic number.

25752615 is a deficient number, since it is larger than the sum of its proper divisors (22147545).

25752615 is a wasteful number, since it uses less digits than its factorization.

25752615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231.

The product of its digits is 21000, while the sum is 33.

The square root of 25752615 is about 5074.7034396110. The cubic root of 25752615 is about 295.3070249818.

The spelling of 25752615 in words is "twenty-five million, seven hundred fifty-two thousand, six hundred fifteen".