36023381 has 2 divisors, whose sum is σ = 36023382. Its totient is φ = 36023380.

The previous prime is 36023371. The next prime is 36023387. The reversal of 36023381 is 18332063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 4202500 = 5641^2 + 2050^2 .

It is an emirp because it is prime and its reverse (18332063) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36023381 is a prime.

It is a super-2 number, since 2×36023381² = 2595367957342322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36023381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36023387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18011690 + 18011691.

It is an arithmetic number, because the mean of its divisors is an integer number (18011691).

Almost surely, 2^36023381 is an apocalyptic number.

It is an amenable number.

36023381 is a deficient number, since it is larger than the sum of its proper divisors (1).

36023381 is an equidigital number, since it uses as much as digits as its factorization.

36023381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 36023381 is about 6001.9481004087. The cubic root of 36023381 is about 330.2641930871.

The spelling of 36023381 in words is "thirty-six million, twenty-three thousand, three hundred eighty-one".