215051033 has 2 divisors, whose sum is σ = 215051034. Its totient is φ = 215051032.

The previous prime is 215050981. The next prime is 215051059. The reversal of 215051033 is 330150512.

215051033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184226329 + 30824704 = 13573^2 + 5552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215051033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 215050996 and 215051014.

It is not a weakly prime, because it can be changed into another prime (215051233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107525516 + 107525517.

It is an arithmetic number, because the mean of its divisors is an integer number (107525517).

Almost surely, 2^215051033 is an apocalyptic number.

It is an amenable number.

215051033 is a deficient number, since it is larger than the sum of its proper divisors (1).

215051033 is an equidigital number, since it uses as much as digits as its factorization.

215051033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 215051033 is about 14664.6184062184. The cubic root of 215051033 is about 599.1200369244.

The spelling of 215051033 in words is "two hundred fifteen million, fifty-one thousand, thirty-three".