25386213 has 4 divisors (see below), whose sum is σ = 33848288. Its totient is φ = 16924140.

The previous prime is 25386197. The next prime is 25386247. The reversal of 25386213 is 31268352.

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 not a de Polignac number, because 25386213 - 2⁴ = 25386197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25386293) 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, 4231033 + ... + 4231038.

It is an arithmetic number, because the mean of its divisors is an integer number (8462072).

Almost surely, 2^25386213 is an apocalyptic number.

It is an amenable number.

25386213 is a deficient number, since it is larger than the sum of its proper divisors (8462075).

25386213 is an equidigital number, since it uses as much as digits as its factorization.

25386213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462074.

The product of its digits is 8640, while the sum is 30.

The square root of 25386213 is about 5038.4732806675. The cubic root of 25386213 is about 293.8998108335.

The spelling of 25386213 in words is "twenty-five million, three hundred eighty-six thousand, two hundred thirteen".