36263561 has 2 divisors, whose sum is σ = 36263562. Its totient is φ = 36263560.

The previous prime is 36263527. The next prime is 36263569. The reversal of 36263561 is 16536263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 2157961 = 5840^2 + 1469^2 .

It is an emirp because it is prime and its reverse (16536263) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36263561 is a prime.

It is not a weakly prime, because it can be changed into another prime (36263569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18131780 + 18131781.

It is an arithmetic number, because the mean of its divisors is an integer number (18131781).

Almost surely, 2^36263561 is an apocalyptic number.

It is an amenable number.

36263561 is a deficient number, since it is larger than the sum of its proper divisors (1).

36263561 is an equidigital number, since it uses as much as digits as its factorization.

36263561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 36263561 is about 6021.9233638432. The cubic root of 36263561 is about 330.9965620013.

The spelling of 36263561 in words is "thirty-six million, two hundred sixty-three thousand, five hundred sixty-one".