25012849 has 4 divisors (see below), whose sum is σ = 25024240. Its totient is φ = 25001460.

The previous prime is 25012847. The next prime is 25012853. The reversal of 25012849 is 94821052.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25012849 - 2¹ = 25012847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25012849.

It is not an unprimeable number, because it can be changed into a prime (25012843) 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, 1239 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (6256060).

Almost surely, 2^25012849 is an apocalyptic number.

It is an amenable number.

25012849 is a deficient number, since it is larger than the sum of its proper divisors (11391).

25012849 is an equidigital number, since it uses as much as digits as its factorization.

25012849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 25012849 is about 5001.2847349456. The cubic root of 25012849 is about 292.4518595135.

The spelling of 25012849 in words is "twenty-five million, twelve thousand, eight hundred forty-nine".