13250536257 has 8 divisors (see below), whose sum is σ = 20191293376. Its totient is φ = 7571734992.

The previous prime is 13250536193. The next prime is 13250536259. The reversal of 13250536257 is 75263505231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13250536257 - 2⁶ = 13250536193 is a prime.

It is a super-2 number, since 2×13250536257² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13250536259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315488938 + ... + 315488979.

It is an arithmetic number, because the mean of its divisors is an integer number (2523911672).

Almost surely, 2^13250536257 is an apocalyptic number.

It is an amenable number.

13250536257 is a deficient number, since it is larger than the sum of its proper divisors (6940757119).

13250536257 is an equidigital number, since it uses as much as digits as its factorization.

13250536257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630977927.

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 13250536257 in words is "thirteen billion, two hundred fifty million, five hundred thirty-six thousand, two hundred fifty-seven".