25768197 has 48 divisors (see below), whose sum is σ = 46545408. Its totient is φ = 13374720.

The previous prime is 25768163. The next prime is 25768201. The reversal of 25768197 is 79186752.

It is not a de Polignac number, because 25768197 - 2²³ = 17379589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25768117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59572 + ... + 60002.

It is an arithmetic number, because the mean of its divisors is an integer number (969696).

Almost surely, 2^25768197 is an apocalyptic number.

It is an amenable number.

25768197 is a deficient number, since it is larger than the sum of its proper divisors (20777211).

25768197 is a wasteful number, since it uses less digits than its factorization.

25768197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 527 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 25768197 is about 5076.2384695757. The cubic root of 25768197 is about 295.3665729320.

The spelling of 25768197 in words is "twenty-five million, seven hundred sixty-eight thousand, one hundred ninety-seven".