36631247 has 2 divisors, whose sum is σ = 36631248. Its totient is φ = 36631246.

The previous prime is 36631223. The next prime is 36631253. The reversal of 36631247 is 74213663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36631247 - 2¹⁴ = 36614863 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 (36630247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18315623 + 18315624.

It is an arithmetic number, because the mean of its divisors is an integer number (18315624).

Almost surely, 2^36631247 is an apocalyptic number.

36631247 is a deficient number, since it is larger than the sum of its proper divisors (1).

36631247 is an equidigital number, since it uses as much as digits as its factorization.

36631247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 36631247 is about 6052.3753188314. The cubic root of 36631247 is about 332.1114899910. Note that the first 3 decimals are identical.

It can be divided in two parts, 366 and 31247, that added together give a palindrome (31613).

The spelling of 36631247 in words is "thirty-six million, six hundred thirty-one thousand, two hundred forty-seven".