25827572 has 6 divisors (see below), whose sum is σ = 45198258. Its totient is φ = 12913784.

The previous prime is 25827547. The next prime is 25827577. The reversal of 25827572 is 27572852.

It can be written as a sum of positive squares in only one way, i.e., 25664356 + 163216 = 5066^2 + 404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25827577) by changing a digit.

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, 3228443 + ... + 3228450.

It is an arithmetic number, because the mean of its divisors is an integer number (7533043).

Almost surely, 2^25827572 is an apocalyptic number.

It is an amenable number.

25827572 is a deficient number, since it is larger than the sum of its proper divisors (19370686).

25827572 is a wasteful number, since it uses less digits than its factorization.

25827572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456897 (or 6456895 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 25827572 is about 5082.0834310350. The cubic root of 25827572 is about 295.5932598259.

The spelling of 25827572 in words is "twenty-five million, eight hundred twenty-seven thousand, five hundred seventy-two".