36405287 has 2 divisors, whose sum is σ = 36405288. Its totient is φ = 36405286.

The previous prime is 36405283. The next prime is 36405289. The reversal of 36405287 is 78250463.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36405287 - 2² = 36405283 is a prime.

Together with 36405289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36405283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18202643 + 18202644.

It is an arithmetic number, because the mean of its divisors is an integer number (18202644).

Almost surely, 2^36405287 is an apocalyptic number.

36405287 is a deficient number, since it is larger than the sum of its proper divisors (1).

36405287 is an equidigital number, since it uses as much as digits as its factorization.

36405287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 36405287 is about 6033.6793915487. The cubic root of 36405287 is about 331.4272040120.

The spelling of 36405287 in words is "thirty-six million, four hundred five thousand, two hundred eighty-seven".