25898223 has 16 divisors (see below), whose sum is σ = 37296000. Its totient is φ = 15890784.

The previous prime is 25898219. The next prime is 25898231. The reversal of 25898223 is 32289852.

It is not a de Polignac number, because 25898223 - 2² = 25898219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25890223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16528 + ... + 18026.

It is an arithmetic number, because the mean of its divisors is an integer number (2331000).

Almost surely, 2^25898223 is an apocalyptic number.

25898223 is a deficient number, since it is larger than the sum of its proper divisors (11397777).

25898223 is a wasteful number, since it uses less digits than its factorization.

25898223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its digits is 69120, while the sum is 39.

The square root of 25898223 is about 5089.0296717547. The cubic root of 25898223 is about 295.8625449873.

The spelling of 25898223 in words is "twenty-five million, eight hundred ninety-eight thousand, two hundred twenty-three".