25052481 has 12 divisors (see below), whose sum is σ = 36561252. Its totient is φ = 16528896.

The previous prime is 25052459. The next prime is 25052483. The reversal of 25052481 is 18425052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6051600 + 19000881 = 2460^2 + 4359^2 .

It is not a de Polignac number, because 25052481 - 2⁵ = 25052449 is a prime.

It is a super-2 number, since 2×25052481² = 1255253608510722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25052483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13476 + ... + 15221.

It is an arithmetic number, because the mean of its divisors is an integer number (3046771).

Almost surely, 2^25052481 is an apocalyptic number.

It is an amenable number.

25052481 is a deficient number, since it is larger than the sum of its proper divisors (11508771).

25052481 is a wasteful number, since it uses less digits than its factorization.

25052481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28800 (or 28797 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 25052481 is about 5005.2453486318. The cubic root of 25052481 is about 292.6062379814.

The spelling of 25052481 in words is "twenty-five million, fifty-two thousand, four hundred eighty-one".