25606996 has 6 divisors (see below), whose sum is σ = 44812250. Its totient is φ = 12803496.

The previous prime is 25606993. The next prime is 25607017. The reversal of 25606996 is 69960652.

It can be written as a sum of positive squares in only one way, i.e., 23386896 + 2220100 = 4836^2 + 1490^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25606993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200871 + ... + 3200878.

Almost surely, 2^25606996 is an apocalyptic number.

It is an amenable number.

25606996 is a deficient number, since it is larger than the sum of its proper divisors (19205254).

25606996 is a wasteful number, since it uses less digits than its factorization.

25606996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401753 (or 6401751 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 25606996 is about 5060.3355619959. The cubic root of 25606996 is about 294.7493648255.

The spelling of 25606996 in words is "twenty-five million, six hundred six thousand, nine hundred ninety-six".