25713132 has 12 divisors (see below), whose sum is σ = 59997336. Its totient is φ = 8571040.

The previous prime is 25713131. The next prime is 25713133. The reversal of 25713132 is 23131752.

It is an interprime number because it is at equal distance from previous prime (25713131) and next prime (25713133).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×25713132² = 1322330314498848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25713131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071369 + ... + 1071392.

It is an arithmetic number, because the mean of its divisors is an integer number (4999778).

Almost surely, 2^25713132 is an apocalyptic number.

It is an amenable number.

25713132 is an abundant number, since it is smaller than the sum of its proper divisors (34284204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25713132 is a wasteful number, since it uses less digits than its factorization.

25713132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142768 (or 2142766 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 25713132 is about 5070.8117693324. The cubic root of 25713132 is about 295.1560296874.

Adding to 25713132 its reverse (23131752), we get a palindrome (48844884).

The spelling of 25713132 in words is "twenty-five million, seven hundred thirteen thousand, one hundred thirty-two".