36519551 has 2 divisors, whose sum is σ = 36519552. Its totient is φ = 36519550.

The previous prime is 36519547. The next prime is 36519557. The reversal of 36519551 is 15591563.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36519551 - 2² = 36519547 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36519557) 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, 18259775 + 18259776.

It is an arithmetic number, because the mean of its divisors is an integer number (18259776).

Almost surely, 2^36519551 is an apocalyptic number.

36519551 is a deficient number, since it is larger than the sum of its proper divisors (1).

36519551 is an equidigital number, since it uses as much as digits as its factorization.

36519551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20250, while the sum is 35.

The square root of 36519551 is about 6043.1408224532. The cubic root of 36519551 is about 331.7735881912.

The spelling of 36519551 in words is "thirty-six million, five hundred nineteen thousand, five hundred fifty-one".