25234213 has 4 divisors (see below), whose sum is σ = 25250508. Its totient is φ = 25217920.

The previous prime is 25234207. The next prime is 25234219. The reversal of 25234213 is 31243252.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25234207) and next prime (25234219).

It can be written as a sum of positive squares in 2 ways, for example, as 17489124 + 7745089 = 4182^2 + 2783^2 .

It is a cyclic number.

It is not a de Polignac number, because 25234213 - 2¹³ = 25226021 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 (25234219) 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, 5548 + ... + 9013.

It is an arithmetic number, because the mean of its divisors is an integer number (6312627).

Almost surely, 2^25234213 is an apocalyptic number.

It is an amenable number.

25234213 is a deficient number, since it is larger than the sum of its proper divisors (16295).

25234213 is a wasteful number, since it uses less digits than its factorization.

25234213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294.

The product of its digits is 1440, while the sum is 22.

The square root of 25234213 is about 5023.3666997344. The cubic root of 25234213 is about 293.3120609861.

Adding to 25234213 its reverse (31243252), we get a palindrome (56477465).

The spelling of 25234213 in words is "twenty-five million, two hundred thirty-four thousand, two hundred thirteen".