36371861 has 2 divisors, whose sum is σ = 36371862. Its totient is φ = 36371860.

The previous prime is 36371813. The next prime is 36371899. The reversal of 36371861 is 16817363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26977636 + 9394225 = 5194^2 + 3065^2 .

It is an emirp because it is prime and its reverse (16817363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36371861 - 2²² = 32177557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36371161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18185930 + 18185931.

It is an arithmetic number, because the mean of its divisors is an integer number (18185931).

Almost surely, 2^36371861 is an apocalyptic number.

It is an amenable number.

36371861 is a deficient number, since it is larger than the sum of its proper divisors (1).

36371861 is an equidigital number, since it uses as much as digits as its factorization.

36371861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 36371861 is about 6030.9088038205. The cubic root of 36371861 is about 331.3257381818.

The spelling of 36371861 in words is "thirty-six million, three hundred seventy-one thousand, eight hundred sixty-one".