25376397 has 4 divisors (see below), whose sum is σ = 33835200. Its totient is φ = 16917596.

The previous prime is 25376389. The next prime is 25376401. The reversal of 25376397 is 79367352.

It is a happy number.

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 25376397 - 2³ = 25376389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25376497) 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, 4229397 + ... + 4229402.

It is an arithmetic number, because the mean of its divisors is an integer number (8458800).

Almost surely, 2^25376397 is an apocalyptic number.

It is an amenable number.

25376397 is a deficient number, since it is larger than the sum of its proper divisors (8458803).

25376397 is an equidigital number, since it uses as much as digits as its factorization.

25376397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458802.

The product of its digits is 238140, while the sum is 42.

The square root of 25376397 is about 5037.4990818858. The cubic root of 25376397 is about 293.8619255391.

The spelling of 25376397 in words is "twenty-five million, three hundred seventy-six thousand, three hundred ninety-seven".