25992002 has 4 divisors (see below), whose sum is σ = 38988006. Its totient is φ = 12996000.

The previous prime is 25991971. The next prime is 25992011. The reversal of 25992002 is 20029952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 1002001 = 4999^2 + 1001^2 .

It is an unprimeable number.

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, 6497999 + ... + 6498002.

Almost surely, 2^25992002 is an apocalyptic number.

25992002 is a deficient number, since it is larger than the sum of its proper divisors (12996004).

25992002 is a wasteful number, since it uses less digits than its factorization.

25992002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12996003.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 25992002 is about 5098.2351848458. The cubic root of 25992002 is about 296.2192267465.

It can be divided in two parts, 2599200 and 2, that multiplied together give a square (5198400 = 2280²).

The spelling of 25992002 in words is "twenty-five million, nine hundred ninety-two thousand, two".