25220532 has 48 divisors (see below), whose sum is σ = 61890752. Its totient is φ = 7983360.

The previous prime is 25220521. The next prime is 25220557. The reversal of 25220532 is 23502252.

It is a junction number, because it is equal to n+sod(n) for n = 25220499 and 25220508.

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 in 15 ways as a sum of consecutive naturals, for example, 18432 + ... + 19752.

Almost surely, 2^25220532 is an apocalyptic number.

It is an amenable number.

25220532 is an abundant number, since it is smaller than the sum of its proper divisors (36670220).

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

25220532 is a wasteful number, since it uses less digits than its factorization.

25220532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25220532 is about 5022.0047789702. The cubic root of 25220532 is about 293.2590439741.

Adding to 25220532 its reverse (23502252), we get a palindrome (48722784).

It can be divided in two parts, 25220 and 532, that added together give a palindrome (25752).

The spelling of 25220532 in words is "twenty-five million, two hundred twenty thousand, five hundred thirty-two".