25321272 has 32 divisors (see below), whose sum is σ = 64849680. Its totient is φ = 8234240.

The previous prime is 25321271. The next prime is 25321277. The reversal of 25321272 is 27212352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321271) 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, 11883 + ... + 13850.

Almost surely, 2^25321272 is an apocalyptic number.

It is an amenable number.

25321272 is an abundant number, since it is smaller than the sum of its proper divisors (39528408).

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

25321272 is a wasteful number, since it uses less digits than its factorization.

25321272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25783 (or 25779 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 25321272 is about 5032.0246422290. The cubic root of 25321272 is about 293.6489864237.

The spelling of 25321272 in words is "twenty-five million, three hundred twenty-one thousand, two hundred seventy-two".