36563081 has 2 divisors, whose sum is σ = 36563082. Its totient is φ = 36563080.

The previous prime is 36563053. The next prime is 36563089. The reversal of 36563081 is 18036563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18627856 + 17935225 = 4316^2 + 4235^2 .

It is an emirp because it is prime and its reverse (18036563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36563081 - 2¹⁸ = 36300937 is a prime.

It is a super-2 number, since 2×36563081² = 2673717784425122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36563089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18281540 + 18281541.

It is an arithmetic number, because the mean of its divisors is an integer number (18281541).

Almost surely, 2^36563081 is an apocalyptic number.

It is an amenable number.

36563081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36563081 is an equidigital number, since it uses as much as digits as its factorization.

36563081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 36563081 is about 6046.7413538203. The cubic root of 36563081 is about 331.9053566050.

The spelling of 36563081 in words is "thirty-six million, five hundred sixty-three thousand, eighty-one".