25526668 has 6 divisors (see below), whose sum is σ = 44671676. Its totient is φ = 12763332.

The previous prime is 25526663. The next prime is 25526681. The reversal of 25526668 is 86662552.

It is a happy number.

It is a super-2 number, since 2×25526668² = 1303221558364448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25526668.

It is not an unprimeable number, because it can be changed into a prime (25526663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190830 + ... + 3190837.

Almost surely, 2^25526668 is an apocalyptic number.

It is an amenable number.

25526668 is a deficient number, since it is larger than the sum of its proper divisors (19145008).

25526668 is a wasteful number, since it uses less digits than its factorization.

25526668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381671 (or 6381669 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 25526668 is about 5052.3923046414. The cubic root of 25526668 is about 294.4408368003.

The spelling of 25526668 in words is "twenty-five million, five hundred twenty-six thousand, six hundred sixty-eight".