25071132 has 24 divisors (see below), whose sum is σ = 59374336. Its totient is φ = 8232048.

The previous prime is 25071091. The next prime is 25071139. The reversal of 25071132 is 23117052.

It is a super-2 number, since 2×25071132² = 1257123319522848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25071099 and 25071108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25071139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14788 + ... + 16395.

Almost surely, 2^25071132 is an apocalyptic number.

It is an amenable number.

25071132 is an abundant number, since it is smaller than the sum of its proper divisors (34303204).

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

25071132 is a wasteful number, since it uses less digits than its factorization.

25071132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31257 (or 31255 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 25071132 is about 5007.1081474240. The cubic root of 25071132 is about 292.6788328567.

Adding to 25071132 its reverse (23117052), we get a palindrome (48188184).

The spelling of 25071132 in words is "twenty-five million, seventy-one thousand, one hundred thirty-two".