25285223 has 4 divisors (see below), whose sum is σ = 25375488. Its totient is φ = 25194960.

The previous prime is 25285213. The next prime is 25285237. The reversal of 25285223 is 32258252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25285223 - 2¹⁴ = 25268839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25285213) 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, 44711 + ... + 45272.

It is an arithmetic number, because the mean of its divisors is an integer number (6343872).

Almost surely, 2^25285223 is an apocalyptic number.

25285223 is a deficient number, since it is larger than the sum of its proper divisors (90265).

25285223 is an equidigital number, since it uses as much as digits as its factorization.

25285223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90264.

The product of its digits is 9600, while the sum is 29.

The square root of 25285223 is about 5028.4414086275. The cubic root of 25285223 is about 293.5095676798.

The spelling of 25285223 in words is "twenty-five million, two hundred eighty-five thousand, two hundred twenty-three".