36519905 has 16 divisors (see below), whose sum is σ = 44692560. Its totient is φ = 28643328.

The previous prime is 36519877. The next prime is 36519911. The reversal of 36519905 is 50991563.

It can be written as a sum of positive squares in 8 ways, for example, as 2027776 + 34492129 = 1424^2 + 5873^2 .

It is a cyclic number.

It is not a de Polignac number, because 36519905 - 2⁶ = 36519841 is a prime.

It is a super-2 number, since 2×36519905² = 2667406922418050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61289 + ... + 61881.

It is an arithmetic number, because the mean of its divisors is an integer number (2793285).

Almost surely, 2^36519905 is an apocalyptic number.

It is an amenable number.

36519905 is a deficient number, since it is larger than the sum of its proper divisors (8172655).

36519905 is a wasteful number, since it uses less digits than its factorization.

36519905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 36519905 is about 6043.1701117874. The cubic root of 36519905 is about 331.7746601966.

The spelling of 36519905 in words is "thirty-six million, five hundred nineteen thousand, nine hundred five".