215050463 has 2 divisors, whose sum is σ = 215050464. Its totient is φ = 215050462.

The previous prime is 215050387. The next prime is 215050469. The reversal of 215050463 is 364050512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215050463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215050469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107525231 + 107525232.

It is an arithmetic number, because the mean of its divisors is an integer number (107525232).

Almost surely, 2^215050463 is an apocalyptic number.

215050463 is a deficient number, since it is larger than the sum of its proper divisors (1).

215050463 is an equidigital number, since it uses as much as digits as its factorization.

215050463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 215050463 is about 14664.5989716732. The cubic root of 215050463 is about 599.1195075947.

The spelling of 215050463 in words is "two hundred fifteen million, fifty thousand, four hundred sixty-three".