25297413 has 4 divisors (see below), whose sum is σ = 33729888. Its totient is φ = 16864940.

The previous prime is 25297409. The next prime is 25297429. The reversal of 25297413 is 31479252.

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 25297413 - 2² = 25297409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25297213) 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, 4216233 + ... + 4216238.

It is an arithmetic number, because the mean of its divisors is an integer number (8432472).

Almost surely, 2^25297413 is an apocalyptic number.

It is an amenable number.

25297413 is a deficient number, since it is larger than the sum of its proper divisors (8432475).

25297413 is an equidigital number, since it uses as much as digits as its factorization.

25297413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432474.

The product of its digits is 15120, while the sum is 33.

The square root of 25297413 is about 5029.6533677779. The cubic root of 25297413 is about 293.5567270664.

The spelling of 25297413 in words is "twenty-five million, two hundred ninety-seven thousand, four hundred thirteen".