36551287 has 2 divisors, whose sum is σ = 36551288. Its totient is φ = 36551286.

The previous prime is 36551279. The next prime is 36551293. The reversal of 36551287 is 78215563.

It is a strong prime.

It is an emirp because it is prime and its reverse (78215563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36551287 - 2³ = 36551279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36551257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18275643 + 18275644.

It is an arithmetic number, because the mean of its divisors is an integer number (18275644).

Almost surely, 2^36551287 is an apocalyptic number.

36551287 is a deficient number, since it is larger than the sum of its proper divisors (1).

36551287 is an equidigital number, since it uses as much as digits as its factorization.

36551287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 36551287 is about 6045.7660391385. The cubic root of 36551287 is about 331.8696656600.

The spelling of 36551287 in words is "thirty-six million, five hundred fifty-one thousand, two hundred eighty-seven".