25140196 has 27 divisors (see below), whose sum is σ = 46417161. Its totient is φ = 11913264.

The previous prime is 25140149. The next prime is 25140197. The reversal of 25140196 is 69104152.

The square root of 25140196 is 5014.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17522596 + 7617600 = 4186^2 + 2760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25140197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 230590 + ... + 230698.

Almost surely, 2^25140196 is an apocalyptic number.

25140196 is the 5014-th square number.

It is an amenable number.

25140196 is a deficient number, since it is larger than the sum of its proper divisors (21276965).

25140196 is a wasteful number, since it uses less digits than its factorization.

25140196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The cubic root of 25140196 is about 292.9473360678.

The spelling of 25140196 in words is "twenty-five million, one hundred forty thousand, one hundred ninety-six".