25038197 has 4 divisors (see below), whose sum is σ = 25381260. Its totient is φ = 24695136.

The previous prime is 25038193. The next prime is 25038241. The reversal of 25038197 is 79183052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6599761 + 18438436 = 2569^2 + 4294^2 .

It is a cyclic number.

It is not a de Polignac number, because 25038197 - 2² = 25038193 is a prime.

It is a super-2 number, since 2×25038197² = 1253822618021618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25038193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171422 + ... + 171567.

It is an arithmetic number, because the mean of its divisors is an integer number (6345315).

Almost surely, 2^25038197 is an apocalyptic number.

It is an amenable number.

25038197 is a deficient number, since it is larger than the sum of its proper divisors (343063).

25038197 is an equidigital number, since it uses as much as digits as its factorization.

25038197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343062.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 25038197 is about 5003.8182421027. The cubic root of 25038197 is about 292.5506163166.

The spelling of 25038197 in words is "twenty-five million, thirty-eight thousand, one hundred ninety-seven".