25774213 has 2 divisors, whose sum is σ = 25774214. Its totient is φ = 25774212.

The previous prime is 25774201. The next prime is 25774289. The reversal of 25774213 is 31247752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24433249 + 1340964 = 4943^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 25774213 - 2⁵ = 25774181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25874213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12887106 + 12887107.

It is an arithmetic number, because the mean of its divisors is an integer number (12887107).

Almost surely, 2^25774213 is an apocalyptic number.

It is an amenable number.

25774213 is a deficient number, since it is larger than the sum of its proper divisors (1).

25774213 is an equidigital number, since it uses as much as digits as its factorization.

25774213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 25774213 is about 5076.8309997478. The cubic root of 25774213 is about 295.3895571690.

The spelling of 25774213 in words is "twenty-five million, seven hundred seventy-four thousand, two hundred thirteen".