36002261 has 4 divisors (see below), whose sum is σ = 36592524. Its totient is φ = 35412000.

The previous prime is 36002237. The next prime is 36002269. The reversal of 36002261 is 16220063.

36002261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16220063 = 379 ⋅42797.

It can be written as a sum of positive squares in 2 ways, for example, as 4977361 + 31024900 = 2231^2 + 5570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36002261 is a prime.

It is a super-2 number, since 2×36002261² = 2592325594224242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36002269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295040 + ... + 295161.

It is an arithmetic number, because the mean of its divisors is an integer number (9148131).

Almost surely, 2^36002261 is an apocalyptic number.

It is an amenable number.

36002261 is a deficient number, since it is larger than the sum of its proper divisors (590263).

36002261 is an equidigital number, since it uses as much as digits as its factorization.

36002261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590262.

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

The square root of 36002261 is about 6000.1884137084. The cubic root of 36002261 is about 330.1996373906.

It can be divided in two parts, 36002 and 261, that added together give a palindrome (36263).

The spelling of 36002261 in words is "thirty-six million, two thousand, two hundred sixty-one".