25363213 has 2 divisors, whose sum is σ = 25363214. Its totient is φ = 25363212.

The previous prime is 25363207. The next prime is 25363243. The reversal of 25363213 is 31236352.

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., 14722569 + 10640644 = 3837^2 + 3262^2 .

It is a cyclic number.

It is not a de Polignac number, because 25363213 - 2¹³ = 25355021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25363243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681606 + 12681607.

It is an arithmetic number, because the mean of its divisors is an integer number (12681607).

Almost surely, 2^25363213 is an apocalyptic number.

It is an amenable number.

25363213 is a deficient number, since it is larger than the sum of its proper divisors (1).

25363213 is an equidigital number, since it uses as much as digits as its factorization.

25363213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 25363213 is about 5036.1903260302. The cubic root of 25363213 is about 293.8110259208.

Adding to 25363213 its reverse (31236352), we get a palindrome (56599565).

The spelling of 25363213 in words is "twenty-five million, three hundred sixty-three thousand, two hundred thirteen".