25148432 has 10 divisors (see below), whose sum is σ = 48725118. Its totient is φ = 12574208.

The previous prime is 25148401. The next prime is 25148437. The reversal of 25148432 is 23484152.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 12503296 = 3556^2 + 3536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25148395 and 25148404.

It is not an unprimeable number, because it can be changed into a prime (25148437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785873 + ... + 785904.

Almost surely, 2^25148432 is an apocalyptic number.

It is an amenable number.

25148432 is a deficient number, since it is larger than the sum of its proper divisors (23576686).

25148432 is a wasteful number, since it uses less digits than its factorization.

25148432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571785 (or 1571779 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 25148432 is about 5014.8212331049. The cubic root of 25148432 is about 292.9793227030.

The spelling of 25148432 in words is "twenty-five million, one hundred forty-eight thousand, four hundred thirty-two".