25000715 has 16 divisors (see below), whose sum is σ = 31287072. Its totient is φ = 19160064.

The previous prime is 25000711. The next prime is 25000721. The reversal of 25000715 is 51700052.

It is a cyclic number.

It is not a de Polignac number, because 25000715 - 2² = 25000711 is a prime.

It is a super-2 number, since 2×25000715² = 1250071501022450, which contains 22 as substring.

It is a Duffinian number.

25000715 is a modest number, since divided by 715 gives 25 as remainder.

It is not an unprimeable number, because it can be changed into a prime (25000711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11387 + ... + 13403.

It is an arithmetic number, because the mean of its divisors is an integer number (1955442).

Almost surely, 2^25000715 is an apocalyptic number.

25000715 is a deficient number, since it is larger than the sum of its proper divisors (6286357).

25000715 is a wasteful number, since it uses less digits than its factorization.

25000715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 25000715 is about 5000.0714994888. The cubic root of 25000715 is about 292.4045613583.

Adding to 25000715 its reverse (51700052), we get a palindrome (76700767).

The spelling of 25000715 in words is "twenty-five million, seven hundred fifteen", and thus it is an aban number.