25042132 has 12 divisors (see below), whose sum is σ = 44118900. Its totient is φ = 12436736.

The previous prime is 25042123. The next prime is 25042153. The reversal of 25042132 is 23124052.

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 21958596 = 1756^2 + 4686^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20413 + ... + 21604.

It is an arithmetic number, because the mean of its divisors is an integer number (3676575).

Almost surely, 2^25042132 is an apocalyptic number.

It is an amenable number.

25042132 is a deficient number, since it is larger than the sum of its proper divisors (19076768).

25042132 is a wasteful number, since it uses less digits than its factorization.

25042132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42170 (or 42168 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25042132 is about 5004.2114263888. The cubic root of 25042132 is about 292.5659412536.

Adding to 25042132 its reverse (23124052), we get a palindrome (48166184).

The spelling of 25042132 in words is "twenty-five million, forty-two thousand, one hundred thirty-two".