25958285 has 8 divisors (see below), whose sum is σ = 31272696. Its totient is φ = 20684800.

The previous prime is 25958281. The next prime is 25958291. The reversal of 25958285 is 58285952.

It can be written as a sum of positive squares in 4 ways, for example, as 1771561 + 24186724 = 1331^2 + 4918^2 .

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

It is not a de Polignac number, because 25958285 - 2² = 25958281 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 (25958281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8816 + ... + 11385.

It is an arithmetic number, because the mean of its divisors is an integer number (3909087).

Almost surely, 2^25958285 is an apocalyptic number.

It is an amenable number.

25958285 is a deficient number, since it is larger than the sum of its proper divisors (5314411).

25958285 is a wasteful number, since it uses less digits than its factorization.

25958285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20463.

The product of its digits is 288000, while the sum is 44.

The square root of 25958285 is about 5094.9273792666. The cubic root of 25958285 is about 296.0910854635.

The spelling of 25958285 in words is "twenty-five million, nine hundred fifty-eight thousand, two hundred eighty-five".