25482157 has 4 divisors (see below), whose sum is σ = 25720416. Its totient is φ = 25243900.

The previous prime is 25482151. The next prime is 25482203. The reversal of 25482157 is 75128452.

It is a happy number.

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-25482157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25482151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118969 + ... + 119182.

It is an arithmetic number, because the mean of its divisors is an integer number (6430104).

Almost surely, 2^25482157 is an apocalyptic number.

It is an amenable number.

25482157 is a deficient number, since it is larger than the sum of its proper divisors (238259).

25482157 is a wasteful number, since it uses less digits than its factorization.

25482157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238258.

The product of its digits is 22400, while the sum is 34.

The square root of 25482157 is about 5047.9854397571. The cubic root of 25482157 is about 294.2695978296.

The spelling of 25482157 in words is "twenty-five million, four hundred eighty-two thousand, one hundred fifty-seven".