25317233413 has 2 divisors, whose sum is σ = 25317233414. Its totient is φ = 25317233412.

The previous prime is 25317233353. The next prime is 25317233423. The reversal of 25317233413 is 31433271352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25154594404 + 162639009 = 158602^2 + 12753^2 .

It is a cyclic number.

It is not a de Polignac number, because 25317233413 - 2¹³ = 25317225221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25317233423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12658616706 + 12658616707.

It is an arithmetic number, because the mean of its divisors is an integer number (12658616707).

Almost surely, 2^25317233413 is an apocalyptic number.

It is an amenable number.

25317233413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25317233413 is an equidigital number, since it uses as much as digits as its factorization.

25317233413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

The spelling of 25317233413 in words is "twenty-five billion, three hundred seventeen million, two hundred thirty-three thousand, four hundred thirteen".