25260687 has 8 divisors (see below), whose sum is σ = 37423280. Its totient is φ = 16840440.

The previous prime is 25260661. The next prime is 25260689. The reversal of 25260687 is 78606252.

It is not a de Polignac number, because 25260687 - 2¹² = 25256591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25260689) 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, 467764 + ... + 467817.

It is an arithmetic number, because the mean of its divisors is an integer number (4677910).

Almost surely, 2^25260687 is an apocalyptic number.

25260687 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25260687 is a deficient number, since it is larger than the sum of its proper divisors (12162593).

25260687 is an equidigital number, since it uses as much as digits as its factorization.

25260687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935590 (or 935584 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 25260687 is about 5026.0010943095. The cubic root of 25260687 is about 293.4145994132.

The spelling of 25260687 in words is "twenty-five million, two hundred sixty thousand, six hundred eighty-seven".