36579409 has 2 divisors, whose sum is σ = 36579410. Its totient is φ = 36579408.

The previous prime is 36579397. The next prime is 36579457. The reversal of 36579409 is 90497563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 278784 = 6025^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 36579409 - 2⁵ = 36579377 is a prime.

It is not a weakly prime, because it can be changed into another prime (36579709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18289704 + 18289705.

It is an arithmetic number, because the mean of its divisors is an integer number (18289705).

Almost surely, 2^36579409 is an apocalyptic number.

It is an amenable number.

36579409 is a deficient number, since it is larger than the sum of its proper divisors (1).

36579409 is an equidigital number, since it uses as much as digits as its factorization.

36579409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 36579409 is about 6048.0913518233. The cubic root of 36579409 is about 331.9547556528.

The spelling of 36579409 in words is "thirty-six million, five hundred seventy-nine thousand, four hundred nine".