25198126 has 8 divisors (see below), whose sum is σ = 38164464. Its totient is φ = 12476640.

The previous prime is 25198111. The next prime is 25198163. The reversal of 25198126 is 62189152.

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

It is a junction number, because it is equal to n+sod(n) for n = 25198091 and 25198100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60955 + ... + 61366.

It is an arithmetic number, because the mean of its divisors is an integer number (4770558).

Almost surely, 2^25198126 is an apocalyptic number.

25198126 is a deficient number, since it is larger than the sum of its proper divisors (12966338).

25198126 is a wasteful number, since it uses less digits than its factorization.

25198126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122426.

The product of its digits is 8640, while the sum is 34.

The square root of 25198126 is about 5019.7735008663. The cubic root of 25198126 is about 293.1721741580.

The spelling of 25198126 in words is "twenty-five million, one hundred ninety-eight thousand, one hundred twenty-six".