25213259 has 4 divisors (see below), whose sum is σ = 25223304. Its totient is φ = 25203216.

The previous prime is 25213241. The next prime is 25213271. The reversal of 25213259 is 95231252.

It is a semiprime because it is the product of two primes, 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 25213259 - 2¹⁶ = 25147723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25213219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384 + ... + 7490.

It is an arithmetic number, because the mean of its divisors is an integer number (6305826).

Almost surely, 2^25213259 is an apocalyptic number.

25213259 is a deficient number, since it is larger than the sum of its proper divisors (10045).

25213259 is an equidigital number, since it uses as much as digits as its factorization.

25213259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044.

The product of its digits is 5400, while the sum is 29.

The square root of 25213259 is about 5021.2806135487. The cubic root of 25213259 is about 293.2308516256.

The spelling of 25213259 in words is "twenty-five million, two hundred thirteen thousand, two hundred fifty-nine".