25061715 has 24 divisors (see below), whose sum is σ = 49646688. Its totient is φ = 11456640.

The previous prime is 25061693. The next prime is 25061717. The reversal of 25061715 is 51716052.

It is not a de Polignac number, because 25061715 - 2⁸ = 25061459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25061717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39466 + ... + 40095.

It is an arithmetic number, because the mean of its divisors is an integer number (2068612).

Almost surely, 2^25061715 is an apocalyptic number.

25061715 is a deficient number, since it is larger than the sum of its proper divisors (24584973).

25061715 is a wasteful number, since it uses less digits than its factorization.

25061715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79579 (or 79576 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 25061715 is about 5006.1676959527. The cubic root of 25061715 is about 292.6421837773.

Adding to 25061715 its reverse (51716052), we get a palindrome (76777767).

The spelling of 25061715 in words is "twenty-five million, sixty-one thousand, seven hundred fifteen".