13540577 has 2 divisors, whose sum is σ = 13540578. Its totient is φ = 13540576.

The previous prime is 13540543. The next prime is 13540601. The reversal of 13540577 is 77504531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12737761 + 802816 = 3569^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 13540577 - 2¹⁴ = 13524193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13542577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770288 + 6770289.

It is an arithmetic number, because the mean of its divisors is an integer number (6770289).

Almost surely, 2^13540577 is an apocalyptic number.

It is an amenable number.

13540577 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540577 is an equidigital number, since it uses as much as digits as its factorization.

13540577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 13540577 is about 3679.7523014464. The cubic root of 13540577 is about 238.3484820382.

The spelling of 13540577 in words is "thirteen million, five hundred forty thousand, five hundred seventy-seven".