25327965 has 16 divisors (see below), whose sum is σ = 43642368. Its totient is φ = 12469056.

The previous prime is 25327949. The next prime is 25327987. The reversal of 25327965 is 56972352.

It is not a de Polignac number, because 25327965 - 2⁴ = 25327949 is a prime.

It is a super-2 number, since 2×25327965² = 1283011622082450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64749 + ... + 65138.

It is an arithmetic number, because the mean of its divisors is an integer number (2727648).

Almost surely, 2^25327965 is an apocalyptic number.

It is an amenable number.

25327965 is a deficient number, since it is larger than the sum of its proper divisors (18314403).

25327965 is a wasteful number, since it uses less digits than its factorization.

25327965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129908.

The product of its digits is 113400, while the sum is 39.

The square root of 25327965 is about 5032.6896387518. The cubic root of 25327965 is about 293.6748568924.

The spelling of 25327965 in words is "twenty-five million, three hundred twenty-seven thousand, nine hundred sixty-five".