25267213 has 4 divisors (see below), whose sum is σ = 25277980. Its totient is φ = 25256448.

The previous prime is 25267211. The next prime is 25267217. The reversal of 25267213 is 31276252.

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 can be written as a sum of positive squares in 2 ways, for example, as 4272489 + 20994724 = 2067^2 + 4582^2 .

It is a cyclic number.

It is not a de Polignac number, because 25267213 - 2¹ = 25267211 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 (25267211) 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, 198 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (6319495).

Almost surely, 2^25267213 is an apocalyptic number.

It is an amenable number.

25267213 is a deficient number, since it is larger than the sum of its proper divisors (10767).

25267213 is an equidigital number, since it uses as much as digits as its factorization.

25267213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10766.

The product of its digits is 5040, while the sum is 28.

The square root of 25267213 is about 5026.6502762774. The cubic root of 25267213 is about 293.4398647435.

The spelling of 25267213 in words is "twenty-five million, two hundred sixty-seven thousand, two hundred thirteen".