25642852 has 6 divisors (see below), whose sum is σ = 44874998. Its totient is φ = 12821424.

The previous prime is 25642849. The next prime is 25642853. The reversal of 25642852 is 25824652.

It can be written as a sum of positive squares in only one way, i.e., 19412836 + 6230016 = 4406^2 + 2496^2 .

It is not an unprimeable number, because it can be changed into a prime (25642853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205353 + ... + 3205360.

Almost surely, 2^25642852 is an apocalyptic number.

It is an amenable number.

25642852 is a deficient number, since it is larger than the sum of its proper divisors (19232146).

25642852 is a wasteful number, since it uses less digits than its factorization.

25642852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410717 (or 6410715 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 25642852 is about 5063.8771707063. The cubic root of 25642852 is about 294.8868741768.

The spelling of 25642852 in words is "twenty-five million, six hundred forty-two thousand, eight hundred fifty-two".