25212713 has 2 divisors, whose sum is σ = 25212714. Its totient is φ = 25212712.

The previous prime is 25212701. The next prime is 25212767. The reversal of 25212713 is 31721252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 12482089 = 3568^2 + 3533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25212713 is a prime.

It is a super-3 number, since 3×25212713³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25212013) 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 as a sum of consecutive naturals, namely, 12606356 + 12606357.

It is an arithmetic number, because the mean of its divisors is an integer number (12606357).

Almost surely, 2^25212713 is an apocalyptic number.

It is an amenable number.

25212713 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212713 is an equidigital number, since it uses as much as digits as its factorization.

25212713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 25212713 is about 5021.2262446538. The cubic root of 25212713 is about 293.2287349456.

Adding to 25212713 its reverse (31721252), we get a palindrome (56933965).

The spelling of 25212713 in words is "twenty-five million, two hundred twelve thousand, seven hundred thirteen".