25229285 has 8 divisors (see below), whose sum is σ = 30788640. Its totient is φ = 19841104.

The previous prime is 25229279. The next prime is 25229291. The reversal of 25229285 is 58292252.

It is an interprime number because it is at equal distance from previous prime (25229279) and next prime (25229291).

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

It is a cyclic number.

It is not a de Polignac number, because 25229285 - 2⁶ = 25229221 is a prime.

It is a super-2 number, since 2×25229285² = 1273033643222450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42467 + ... + 43056.

It is an arithmetic number, because the mean of its divisors is an integer number (3848580).

Almost surely, 2^25229285 is an apocalyptic number.

It is an amenable number.

25229285 is a deficient number, since it is larger than the sum of its proper divisors (5559355).

25229285 is an equidigital number, since it uses as much as digits as its factorization.

25229285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85587.

The product of its digits is 28800, while the sum is 35.

The square root of 25229285 is about 5022.8761680933. The cubic root of 25229285 is about 293.2929660647.

The spelling of 25229285 in words is "twenty-five million, two hundred twenty-nine thousand, two hundred eighty-five".