25482457 has 16 divisors (see below), whose sum is σ = 34215552. Its totient is φ = 18328320.

The previous prime is 25482451. The next prime is 25482461. The reversal of 25482457 is 75428452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25482457 - 2³ = 25482449 is a prime.

It is a super-2 number, since 2×25482457² = 1298711229513698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25482451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11728 + ... + 13729.

It is an arithmetic number, because the mean of its divisors is an integer number (2138472).

Almost surely, 2^25482457 is an apocalyptic number.

It is an amenable number.

25482457 is a deficient number, since it is larger than the sum of its proper divisors (8733095).

25482457 is a wasteful number, since it uses less digits than its factorization.

25482457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488.

The product of its digits is 89600, while the sum is 37.

The square root of 25482457 is about 5048.0151544939. The cubic root of 25482457 is about 294.2707526316.

It can be divided in two parts, 2548 and 2457, that added together give a palindrome (5005).

The spelling of 25482457 in words is "twenty-five million, four hundred eighty-two thousand, four hundred fifty-seven".