25946481 has 32 divisors (see below), whose sum is σ = 39223296. Its totient is φ = 15120000.

The previous prime is 25946477. The next prime is 25946483. The reversal of 25946481 is 18464952.

It is not a de Polignac number, because 25946481 - 2² = 25946477 is a prime.

It is a super-2 number, since 2×25946481² = 1346439752566722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25946483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171756 + ... + 171906.

It is an arithmetic number, because the mean of its divisors is an integer number (1225728).

Almost surely, 2^25946481 is an apocalyptic number.

It is an amenable number.

25946481 is a deficient number, since it is larger than the sum of its proper divisors (13276815).

25946481 is a wasteful number, since it uses less digits than its factorization.

25946481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its digits is 69120, while the sum is 39.

The square root of 25946481 is about 5093.7688404560. The cubic root of 25946481 is about 296.0461982007.

The spelling of 25946481 in words is "twenty-five million, nine hundred forty-six thousand, four hundred eighty-one".