25326961 has 4 divisors (see below), whose sum is σ = 27629424. Its totient is φ = 23024500.

The previous prime is 25326953. The next prime is 25327013. The reversal of 25326961 is 16962352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25326961 - 2³ = 25326953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25326901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151215 + ... + 1151236.

It is an arithmetic number, because the mean of its divisors is an integer number (6907356).

Almost surely, 2^25326961 is an apocalyptic number.

It is an amenable number.

25326961 is a deficient number, since it is larger than the sum of its proper divisors (2302463).

25326961 is a wasteful number, since it uses less digits than its factorization.

25326961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302462.

The product of its digits is 19440, while the sum is 34.

The square root of 25326961 is about 5032.5898899076. The cubic root of 25326961 is about 293.6709764194.

The spelling of 25326961 in words is "twenty-five million, three hundred twenty-six thousand, nine hundred sixty-one".