25495413 has 4 divisors (see below), whose sum is σ = 33993888. Its totient is φ = 16996940.

The previous prime is 25495403. The next prime is 25495439. The reversal of 25495413 is 31459452.

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 25495413 - 2⁵ = 25495381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25495403) 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, 4249233 + ... + 4249238.

It is an arithmetic number, because the mean of its divisors is an integer number (8498472).

Almost surely, 2^25495413 is an apocalyptic number.

It is an amenable number.

25495413 is a deficient number, since it is larger than the sum of its proper divisors (8498475).

25495413 is an equidigital number, since it uses as much as digits as its factorization.

25495413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498474.

The product of its digits is 21600, while the sum is 33.

The square root of 25495413 is about 5049.2982680765. The cubic root of 25495413 is about 294.3206160326.

The spelling of 25495413 in words is "twenty-five million, four hundred ninety-five thousand, four hundred thirteen".