25282649 has 8 divisors (see below), whose sum is σ = 28969728. Its totient is φ = 21614400.

The previous prime is 25282633. The next prime is 25282669. The reversal of 25282649 is 94628252.

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 25282649 - 2⁴ = 25282633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25282669) 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, 1697 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (3621216).

Almost surely, 2^25282649 is an apocalyptic number.

It is an amenable number.

25282649 is a deficient number, since it is larger than the sum of its proper divisors (3687079).

25282649 is an equidigital number, since it uses as much as digits as its factorization.

25282649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415.

The product of its digits is 69120, while the sum is 38.

The square root of 25282649 is about 5028.1854579958. The cubic root of 25282649 is about 293.4996077220.

The spelling of 25282649 in words is "twenty-five million, two hundred eighty-two thousand, six hundred forty-nine".