11545537 has 2 divisors, whose sum is σ = 11545538. Its totient is φ = 11545536.

The previous prime is 11545519. The next prime is 11545553. The reversal of 11545537 is 73554511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 46656 = 3391^2 + 216^2 .

It is an emirp because it is prime and its reverse (73554511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11545537 - 2¹⁵ = 11512769 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11545499 and 11545508.

It is not a weakly prime, because it can be changed into another prime (11545577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772768 + 5772769.

It is an arithmetic number, because the mean of its divisors is an integer number (5772769).

Almost surely, 2^11545537 is an apocalyptic number.

It is an amenable number.

11545537 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545537 is an equidigital number, since it uses as much as digits as its factorization.

11545537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 31.

The square root of 11545537 is about 3397.8724225609. The cubic root of 11545537 is about 226.0154073606.

The spelling of 11545537 in words is "eleven million, five hundred forty-five thousand, five hundred thirty-seven".