36543431 has 2 divisors, whose sum is σ = 36543432. Its totient is φ = 36543430.

The previous prime is 36543427. The next prime is 36543469. The reversal of 36543431 is 13434563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36543431 - 2² = 36543427 is a prime.

It is a super-2 number, since 2×36543431² = 2670844698503522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36543394 and 36543403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36543401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18271715 + 18271716.

It is an arithmetic number, because the mean of its divisors is an integer number (18271716).

Almost surely, 2^36543431 is an apocalyptic number.

36543431 is a deficient number, since it is larger than the sum of its proper divisors (1).

36543431 is an equidigital number, since it uses as much as digits as its factorization.

36543431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 36543431 is about 6045.1162933396. The cubic root of 36543431 is about 331.8458876108.

Adding to 36543431 its reverse (13434563), we get a palindrome (49977994).

The spelling of 36543431 in words is "thirty-six million, five hundred forty-three thousand, four hundred thirty-one".