25254013 has 2 divisors, whose sum is σ = 25254014. Its totient is φ = 25254012.

The previous prime is 25254001. The next prime is 25254067. The reversal of 25254013 is 31045252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13816089 + 11437924 = 3717^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 25254013 - 2¹³ = 25245821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25254083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627006 + 12627007.

It is an arithmetic number, because the mean of its divisors is an integer number (12627007).

Almost surely, 2^25254013 is an apocalyptic number.

It is an amenable number.

25254013 is a deficient number, since it is larger than the sum of its proper divisors (1).

25254013 is an equidigital number, since it uses as much as digits as its factorization.

25254013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25254013 is about 5025.3371031205. The cubic root of 25254013 is about 293.3887566017.

Adding to 25254013 its reverse (31045252), we get a palindrome (56299265).

The spelling of 25254013 in words is "twenty-five million, two hundred fifty-four thousand, thirteen".