215296933 has 2 divisors, whose sum is σ = 215296934. Its totient is φ = 215296932.

The previous prime is 215296931. The next prime is 215296973. The reversal of 215296933 is 339692512.

It is an a-pointer prime, because the next prime (215296973) can be obtained adding 215296933 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215296929 + 4 = 14673^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 215296933 - 2¹ = 215296931 is a prime.

Together with 215296931, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215296931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107648466 + 107648467.

It is an arithmetic number, because the mean of its divisors is an integer number (107648467).

Almost surely, 2^215296933 is an apocalyptic number.

It is an amenable number.

215296933 is a deficient number, since it is larger than the sum of its proper divisors (1).

215296933 is an equidigital number, since it uses as much as digits as its factorization.

215296933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 215296933 is about 14673.0001363048. Note that the first 3 decimals coincide. The cubic root of 215296933 is about 599.3483044482.

The spelling of 215296933 in words is "two hundred fifteen million, two hundred ninety-six thousand, nine hundred thirty-three".