25201197 has 24 divisors (see below), whose sum is σ = 41760576. Its totient is φ = 14345856.

The previous prime is 25201177. The next prime is 25201199. The reversal of 25201197 is 79110252.

It is not a de Polignac number, because 25201197 - 2⁷ = 25201069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25201197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25201199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20638 + ... + 21824.

It is an arithmetic number, because the mean of its divisors is an integer number (1740024).

Almost surely, 2^25201197 is an apocalyptic number.

It is an amenable number.

25201197 is a deficient number, since it is larger than the sum of its proper divisors (16559379).

25201197 is a wasteful number, since it uses less digits than its factorization.

25201197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 25201197 is about 5020.0793818425. The cubic root of 25201197 is about 293.1840837100.

The spelling of 25201197 in words is "twenty-five million, two hundred one thousand, one hundred ninety-seven".