25132013 has 2 divisors, whose sum is σ = 25132014. Its totient is φ = 25132012.

The previous prime is 25132007. The next prime is 25132027. The reversal of 25132013 is 31023152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 2111209 = 4798^2 + 1453^2 .

It is a cyclic number.

It is not a de Polignac number, because 25132013 - 2⁶ = 25131949 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25131982 and 25132000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25132043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566006 + 12566007.

It is an arithmetic number, because the mean of its divisors is an integer number (12566007).

Almost surely, 2^25132013 is an apocalyptic number.

It is an amenable number.

25132013 is a deficient number, since it is larger than the sum of its proper divisors (1).

25132013 is an equidigital number, since it uses as much as digits as its factorization.

25132013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 25132013 is about 5013.1839184295. The cubic root of 25132013 is about 292.9155483524.

Adding to 25132013 its reverse (31023152), we get a palindrome (56155165).

The spelling of 25132013 in words is "twenty-five million, one hundred thirty-two thousand, thirteen".