25320377 has 4 divisors (see below), whose sum is σ = 25426560. Its totient is φ = 25214196.

The previous prime is 25320349. The next prime is 25320389. The reversal of 25320377 is 77302352.

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 25320377 - 2⁸ = 25320121 is a prime.

It is a super-2 number, since 2×25320377² = 1282242982844258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25320577) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52733 + ... + 53210.

It is an arithmetic number, because the mean of its divisors is an integer number (6356640).

Almost surely, 2^25320377 is an apocalyptic number.

It is an amenable number.

25320377 is a deficient number, since it is larger than the sum of its proper divisors (106183).

25320377 is a wasteful number, since it uses less digits than its factorization.

25320377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106182.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 25320377 is about 5031.9357110361. The cubic root of 25320377 is about 293.6455266326.

The spelling of 25320377 in words is "twenty-five million, three hundred twenty thousand, three hundred seventy-seven".