25362613 has 2 divisors, whose sum is σ = 25362614. Its totient is φ = 25362612.

The previous prime is 25362611. The next prime is 25362671. The reversal of 25362613 is 31626352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25220484 + 142129 = 5022^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 25362613 - 2¹ = 25362611 is a prime.

Together with 25362611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25362611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681306 + 12681307.

It is an arithmetic number, because the mean of its divisors is an integer number (12681307).

Almost surely, 2^25362613 is an apocalyptic number.

It is an amenable number.

25362613 is a deficient number, since it is larger than the sum of its proper divisors (1).

25362613 is an equidigital number, since it uses as much as digits as its factorization.

25362613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 25362613 is about 5036.1307568410. The cubic root of 25362613 is about 293.8087090744.

Adding to 25362613 its reverse (31626352), we get a palindrome (56988965).

The spelling of 25362613 in words is "twenty-five million, three hundred sixty-two thousand, six hundred thirteen".