25212532 has 6 divisors (see below), whose sum is σ = 44121938. Its totient is φ = 12606264.

The previous prime is 25212527. The next prime is 25212541. The reversal of 25212532 is 23521252.

It can be written as a sum of positive squares in only one way, i.e., 17338896 + 7873636 = 4164^2 + 2806^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151563 + ... + 3151570.

Almost surely, 2^25212532 is an apocalyptic number.

It is an amenable number.

25212532 is a deficient number, since it is larger than the sum of its proper divisors (18909406).

25212532 is a wasteful number, since it uses less digits than its factorization.

25212532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303137 (or 6303135 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 25212532 is about 5021.2082211356. The cubic root of 25212532 is about 293.2280332556.

Adding to 25212532 its reverse (23521252), we get a palindrome (48733784).

The spelling of 25212532 in words is "twenty-five million, two hundred twelve thousand, five hundred thirty-two".