25120481 has 4 divisors (see below), whose sum is σ = 25142832. Its totient is φ = 25098132.

The previous prime is 25120427. The next prime is 25120483. The reversal of 25120481 is 18402152.

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 a de Polignac number, because none of the positive numbers 2^k-25120481 is a prime.

It is a super-2 number, since 2×25120481² = 1262077131342722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25120483) 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, 9395 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (6285708).

Almost surely, 2^25120481 is an apocalyptic number.

It is an amenable number.

25120481 is a deficient number, since it is larger than the sum of its proper divisors (22351).

25120481 is a wasteful number, since it uses less digits than its factorization.

25120481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22350.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 25120481 is about 5012.0336192009. The cubic root of 25120481 is about 292.8707393818.

The spelling of 25120481 in words is "twenty-five million, one hundred twenty thousand, four hundred eighty-one".