25321752 has 24 divisors (see below), whose sum is σ = 68579940. Its totient is φ = 8440560.

The previous prime is 25321733. The next prime is 25321759. The reversal of 25321752 is 25712352.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×25321752² = 1282382248699008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175774 + ... + 175917.

Almost surely, 2^25321752 is an apocalyptic number.

It is an amenable number.

25321752 is an abundant number, since it is smaller than the sum of its proper divisors (43258188).

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

25321752 is a wasteful number, since it uses less digits than its factorization.

25321752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351703 (or 351696 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 25321752 is about 5032.0723365230. The cubic root of 25321752 is about 293.6508419206.

The spelling of 25321752 in words is "twenty-five million, three hundred twenty-one thousand, seven hundred fifty-two".