36315561 has 8 divisors (see below), whose sum is σ = 48487744. Its totient is φ = 24176880.

The previous prime is 36315527. The next prime is 36315599. The reversal of 36315561 is 16551363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36315561 - 2⁶ = 36315497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36315761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5725 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (6060968).

Almost surely, 2^36315561 is an apocalyptic number.

It is an amenable number.

36315561 is a deficient number, since it is larger than the sum of its proper divisors (12172183).

36315561 is a wasteful number, since it uses less digits than its factorization.

36315561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16751.

The product of its digits is 8100, while the sum is 30.

The square root of 36315561 is about 6026.2393746017. The cubic root of 36315561 is about 331.1546968742.

The spelling of 36315561 in words is "thirty-six million, three hundred fifteen thousand, five hundred sixty-one".