13250537 has 2 divisors, whose sum is σ = 13250538. Its totient is φ = 13250536.

The previous prime is 13250533. The next prime is 13250557. The reversal of 13250537 is 73505231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7203856 + 6046681 = 2684^2 + 2459^2 .

It is a cyclic number.

It is not a de Polignac number, because 13250537 - 2² = 13250533 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13250533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625268 + 6625269.

It is an arithmetic number, because the mean of its divisors is an integer number (6625269).

Almost surely, 2^13250537 is an apocalyptic number.

It is an amenable number.

13250537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13250537 is an equidigital number, since it uses as much as digits as its factorization.

13250537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 13250537 is about 3640.1287065157. The cubic root of 13250537 is about 236.6343712682.

Adding to 13250537 its reverse (73505231), we get a palindrome (86755768).

The spelling of 13250537 in words is "thirteen million, two hundred fifty thousand, five hundred thirty-seven".