25568264 has 8 divisors (see below), whose sum is σ = 47940510. Its totient is φ = 12784128.

The previous prime is 25568237. The next prime is 25568267. The reversal of 25568264 is 46286552.

It can be written as a sum of positive squares in only one way, i.e., 24423364 + 1144900 = 4942^2 + 1070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×25568264² = 1307472247947392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25568267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598009 + ... + 1598024.

Almost surely, 2^25568264 is an apocalyptic number.

It is an amenable number.

25568264 is a deficient number, since it is larger than the sum of its proper divisors (22372246).

25568264 is a wasteful number, since it uses less digits than its factorization.

25568264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196039 (or 3196035 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 25568264 is about 5056.5070948235. The cubic root of 25568264 is about 294.6006815889.

The spelling of 25568264 in words is "twenty-five million, five hundred sixty-eight thousand, two hundred sixty-four".