25122361 has 4 divisors (see below), whose sum is σ = 27406224. Its totient is φ = 22838500.

The previous prime is 25122353. The next prime is 25122367. The reversal of 25122361 is 16322152.

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 25122361 - 2³ = 25122353 is a prime.

It is a super-2 number, since 2×25122361² = 1262266044428642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25122367) 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, 1141915 + ... + 1141936.

It is an arithmetic number, because the mean of its divisors is an integer number (6851556).

Almost surely, 2^25122361 is an apocalyptic number.

It is an amenable number.

25122361 is a deficient number, since it is larger than the sum of its proper divisors (2283863).

25122361 is a wasteful number, since it uses less digits than its factorization.

25122361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283862.

The product of its digits is 720, while the sum is 22.

The square root of 25122361 is about 5012.2211643143. The cubic root of 25122361 is about 292.8780452830.

The spelling of 25122361 in words is "twenty-five million, one hundred twenty-two thousand, three hundred sixty-one".