25416725 has 12 divisors (see below), whose sum is σ = 32887776. Its totient is φ = 19448880.

The previous prime is 25416697. The next prime is 25416739. The reversal of 25416725 is 52761452.

It is not a de Polignac number, because 25416725 - 2¹⁴ = 25400341 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25416691 and 25416700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21527 + ... + 22676.

It is an arithmetic number, because the mean of its divisors is an integer number (2740648).

Almost surely, 2^25416725 is an apocalyptic number.

25416725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25416725 is a deficient number, since it is larger than the sum of its proper divisors (7471051).

25416725 is a wasteful number, since it uses less digits than its factorization.

25416725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44236 (or 44231 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 25416725 is about 5041.5002727363. The cubic root of 25416725 is about 294.0175109505.

The spelling of 25416725 in words is "twenty-five million, four hundred sixteen thousand, seven hundred twenty-five".