25364849 has 4 divisors (see below), whose sum is σ = 25446720. Its totient is φ = 25282980.

The previous prime is 25364809. The next prime is 25364863. The reversal of 25364849 is 94846352.

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 25364849 - 2²⁴ = 8587633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25364809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40469 + ... + 41090.

It is an arithmetic number, because the mean of its divisors is an integer number (6361680).

Almost surely, 2^25364849 is an apocalyptic number.

It is an amenable number.

25364849 is a deficient number, since it is larger than the sum of its proper divisors (81871).

25364849 is an equidigital number, since it uses as much as digits as its factorization.

25364849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81870.

The product of its digits is 207360, while the sum is 41.

The square root of 25364849 is about 5036.3527477729. The cubic root of 25364849 is about 293.8173430030.

The spelling of 25364849 in words is "twenty-five million, three hundred sixty-four thousand, eight hundred forty-nine".