215352316 has 6 divisors (see below), whose sum is σ = 376866560. Its totient is φ = 107676156.

The previous prime is 215352307. The next prime is 215352317. The reversal of 215352316 is 613253512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215352317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26919036 + ... + 26919043.

Almost surely, 2^215352316 is an apocalyptic number.

It is an amenable number.

215352316 is a deficient number, since it is larger than the sum of its proper divisors (161514244).

215352316 is a wasteful number, since it uses less digits than its factorization.

215352316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53838083 (or 53838081 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 215352316 is about 14674.8872568071. The cubic root of 215352316 is about 599.3996921771.

The spelling of 215352316 in words is "two hundred fifteen million, three hundred fifty-two thousand, three hundred sixteen".