25465849 has 4 divisors (see below), whose sum is σ = 26287360. Its totient is φ = 24644340.

The previous prime is 25465841. The next prime is 25465877. The reversal of 25465849 is 94856452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25465849 - 2³ = 25465841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25465841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410709 + ... + 410770.

It is an arithmetic number, because the mean of its divisors is an integer number (6571840).

Almost surely, 2^25465849 is an apocalyptic number.

It is an amenable number.

25465849 is a deficient number, since it is larger than the sum of its proper divisors (821511).

25465849 is an equidigital number, since it uses as much as digits as its factorization.

25465849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821510.

The product of its digits is 345600, while the sum is 43.

The square root of 25465849 is about 5046.3698833914. The cubic root of 25465849 is about 294.2068091536.

The spelling of 25465849 in words is "twenty-five million, four hundred sixty-five thousand, eight hundred forty-nine".