13537541 has 2 divisors, whose sum is σ = 13537542. Its totient is φ = 13537540.

The previous prime is 13537493. The next prime is 13537553. The reversal of 13537541 is 14573531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13535041 + 2500 = 3679^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13537541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13537571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6768770 + 6768771.

It is an arithmetic number, because the mean of its divisors is an integer number (6768771).

Almost surely, 2^13537541 is an apocalyptic number.

It is an amenable number.

13537541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13537541 is an equidigital number, since it uses as much as digits as its factorization.

13537541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 13537541 is about 3679.3397505531. The cubic root of 13537541 is about 238.3306669411.

The spelling of 13537541 in words is "thirteen million, five hundred thirty-seven thousand, five hundred forty-one".