36020261 has 2 divisors, whose sum is σ = 36020262. Its totient is φ = 36020260.

The previous prime is 36020239. The next prime is 36020269. The reversal of 36020261 is 16202063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 3587236 = 5695^2 + 1894^2 .

It is an emirp because it is prime and its reverse (16202063) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36020261 is a prime.

It is a super-3 number, since 3×36020261³ (a number of 24 digits) contains 333 as substring.

It is equal to p_2205443 and since 36020261 and 2205443 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36020269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18010130 + 18010131.

It is an arithmetic number, because the mean of its divisors is an integer number (18010131).

Almost surely, 2^36020261 is an apocalyptic number.

It is an amenable number.

36020261 is a deficient number, since it is larger than the sum of its proper divisors (1).

36020261 is an equidigital number, since it uses as much as digits as its factorization.

36020261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 36020261 is about 6001.6881791709. The cubic root of 36020261 is about 330.2546580388.

The spelling of 36020261 in words is "thirty-six million, twenty thousand, two hundred sixty-one".