36699541 has 2 divisors, whose sum is σ = 36699542. Its totient is φ = 36699540.

The previous prime is 36699539. The next prime is 36699547. The reversal of 36699541 is 14599663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33108516 + 3591025 = 5754^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 36699541 - 2¹ = 36699539 is a prime.

It is a super-2 number, since 2×36699541² = 2693712619221362, which contains 22 as substring.

Together with 36699539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36699547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18349770 + 18349771.

It is an arithmetic number, because the mean of its divisors is an integer number (18349771).

Almost surely, 2^36699541 is an apocalyptic number.

It is an amenable number.

36699541 is a deficient number, since it is larger than the sum of its proper divisors (1).

36699541 is an equidigital number, since it uses as much as digits as its factorization.

36699541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 36699541 is about 6058.0146087642. The cubic root of 36699541 is about 332.3177541615.

The spelling of 36699541 in words is "thirty-six million, six hundred ninety-nine thousand, five hundred forty-one".