25198413 has 8 divisors (see below), whose sum is σ = 33720288. Its totient is φ = 16737744.

The previous prime is 25198399. The next prime is 25198417. The reversal of 25198413 is 31489152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25198413 - 2⁹ = 25197901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25198417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14331 + ... + 15992.

It is an arithmetic number, because the mean of its divisors is an integer number (4215036).

Almost surely, 2^25198413 is an apocalyptic number.

It is an amenable number.

25198413 is a deficient number, since it is larger than the sum of its proper divisors (8521875).

25198413 is a wasteful number, since it uses less digits than its factorization.

25198413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30603.

The product of its digits is 8640, while the sum is 33.

The square root of 25198413 is about 5019.8020877321. The cubic root of 25198413 is about 293.1732872050.

The spelling of 25198413 in words is "twenty-five million, one hundred ninety-eight thousand, four hundred thirteen".