25567232 has 28 divisors (see below), whose sum is σ = 51147726. Its totient is φ = 12779520.

The previous prime is 25567211. The next prime is 25567247. The reversal of 25567232 is 23276552.

It can be written as a sum of positive squares in only one way, i.e., 25563136 + 4096 = 5056^2 + 64^2 .

It is a super-3 number, since 3×25567232³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6632 + ... + 9752.

Almost surely, 2^25567232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25567232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25573863).

25567232 is an abundant number, since it is smaller than the sum of its proper divisors (25580494).

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

25567232 is an frugal number, since it uses more digits than its factorization.

25567232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147 (or 3123 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 25567232 is about 5056.4050470665. The cubic root of 25567232 is about 294.5967179253.

The spelling of 25567232 in words is "twenty-five million, five hundred sixty-seven thousand, two hundred thirty-two".