25201332 has 36 divisors (see below), whose sum is σ = 68604900. Its totient is φ = 7754112.

The previous prime is 25201331. The next prime is 25201333. The reversal of 25201332 is 23310252.

It is an interprime number because it is at equal distance from previous prime (25201331) and next prime (25201333).

It can be written as a sum of positive squares in 2 ways, for example, as 16941456 + 8259876 = 4116^2 + 2874^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25201331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26457 + ... + 27392.

Almost surely, 2^25201332 is an apocalyptic number.

It is an amenable number.

25201332 is an abundant number, since it is smaller than the sum of its proper divisors (43403568).

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

25201332 is a wasteful number, since it uses less digits than its factorization.

25201332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53872 (or 53867 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25201332 is about 5020.0928278270. The cubic root of 25201332 is about 293.1846072272.

Adding to 25201332 its reverse (23310252), we get a palindrome (48511584).

The spelling of 25201332 in words is "twenty-five million, two hundred one thousand, three hundred thirty-two".