25339285 has 4 divisors (see below), whose sum is σ = 30407148. Its totient is φ = 20271424.

The previous prime is 25339273. The next prime is 25339289. The reversal of 25339285 is 58293352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2852721 + 22486564 = 1689^2 + 4742^2 .

It is a cyclic number.

It is not a de Polignac number, because 25339285 - 2⁵ = 25339253 is a prime.

It is a super-2 number, since 2×25339285² = 1284158728622450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25339289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533924 + ... + 2533933.

It is an arithmetic number, because the mean of its divisors is an integer number (7601787).

Almost surely, 2^25339285 is an apocalyptic number.

It is an amenable number.

25339285 is a deficient number, since it is larger than the sum of its proper divisors (5067863).

25339285 is an equidigital number, since it uses as much as digits as its factorization.

25339285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067862.

The product of its digits is 64800, while the sum is 37.

The square root of 25339285 is about 5033.8141602566. The cubic root of 25339285 is about 293.7186017444.

The spelling of 25339285 in words is "twenty-five million, three hundred thirty-nine thousand, two hundred eighty-five".