25151132 has 6 divisors (see below), whose sum is σ = 44014488. Its totient is φ = 12575564.

The previous prime is 25151129. The next prime is 25151171. The reversal of 25151132 is 23115152.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3143888 + ... + 3143895.

It is an arithmetic number, because the mean of its divisors is an integer number (7335748).

Almost surely, 2^25151132 is an apocalyptic number.

It is an amenable number.

25151132 is a deficient number, since it is larger than the sum of its proper divisors (18863356).

25151132 is a wasteful number, since it uses less digits than its factorization.

25151132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287787 (or 6287785 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 25151132 is about 5015.0904278986. The cubic root of 25151132 is about 292.9898073310.

Adding to 25151132 its reverse (23115152), we get a palindrome (48266284).

The spelling of 25151132 in words is "twenty-five million, one hundred fifty-one thousand, one hundred thirty-two".