36302281 has 2 divisors, whose sum is σ = 36302282. Its totient is φ = 36302280.

The previous prime is 36302269. The next prime is 36302311. The reversal of 36302281 is 18220363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20620681 + 15681600 = 4541^2 + 3960^2 .

It is a cyclic number.

It is not a de Polignac number, because 36302281 - 2¹⁷ = 36171209 is a prime.

It is a super-2 number, since 2×36302281² = 2635711211605922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36302221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18151140 + 18151141.

It is an arithmetic number, because the mean of its divisors is an integer number (18151141).

Almost surely, 2^36302281 is an apocalyptic number.

It is an amenable number.

36302281 is a deficient number, since it is larger than the sum of its proper divisors (1).

36302281 is an equidigital number, since it uses as much as digits as its factorization.

36302281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 36302281 is about 6025.1374258186. The cubic root of 36302281 is about 331.1143260210.

The spelling of 36302281 in words is "thirty-six million, three hundred two thousand, two hundred eighty-one".