25298259 has 12 divisors (see below), whose sum is σ = 39238344. Its totient is φ = 14456064.

The previous prime is 25298257. The next prime is 25298293. The reversal of 25298259 is 95289252.

It is not a de Polignac number, because 25298259 - 2¹ = 25298257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25298259.

It is not an unprimeable number, because it can be changed into a prime (25298257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85902 + ... + 86195.

It is an arithmetic number, because the mean of its divisors is an integer number (3269862).

Almost surely, 2^25298259 is an apocalyptic number.

25298259 is a deficient number, since it is larger than the sum of its proper divisors (13940085).

25298259 is a wasteful number, since it uses less digits than its factorization.

25298259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172114 (or 172107 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 25298259 is about 5029.7374682979. The cubic root of 25298259 is about 293.5599994197.

The spelling of 25298259 in words is "twenty-five million, two hundred ninety-eight thousand, two hundred fifty-nine".