215536049 has 8 divisors (see below), whose sum is σ = 220701312. Its totient is φ = 210430080.

The previous prime is 215536039. The next prime is 215536073. The reversal of 215536049 is 940635512.

215536049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215536049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215536039) 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, 7424 + ... + 22049.

It is an arithmetic number, because the mean of its divisors is an integer number (27587664).

Almost surely, 2^215536049 is an apocalyptic number.

It is an amenable number.

215536049 is a deficient number, since it is larger than the sum of its proper divisors (5165263).

215536049 is a wasteful number, since it uses less digits than its factorization.

215536049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29647.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 215536049 is about 14681.1460383718. The cubic root of 215536049 is about 599.5701078021.

The spelling of 215536049 in words is "two hundred fifteen million, five hundred thirty-six thousand, forty-nine".