25753213 has 2 divisors, whose sum is σ = 25753214. Its totient is φ = 25753212.

The previous prime is 25753171. The next prime is 25753243. The reversal of 25753213 is 31235752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 2732409 = 4798^2 + 1653^2 .

It is a cyclic number.

It is not a de Polignac number, because 25753213 - 2¹⁷ = 25622141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25753243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876606 + 12876607.

It is an arithmetic number, because the mean of its divisors is an integer number (12876607).

Almost surely, 2^25753213 is an apocalyptic number.

It is an amenable number.

25753213 is a deficient number, since it is larger than the sum of its proper divisors (1).

25753213 is an equidigital number, since it uses as much as digits as its factorization.

25753213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 28.

The square root of 25753213 is about 5074.7623589682. The cubic root of 25753213 is about 295.3093107333.

Adding to 25753213 its reverse (31235752), we get a palindrome (56988965).

The spelling of 25753213 in words is "twenty-five million, seven hundred fifty-three thousand, two hundred thirteen".