215093941 has 2 divisors, whose sum is σ = 215093942. Its totient is φ = 215093940.

The previous prime is 215093909. The next prime is 215093969. The reversal of 215093941 is 149390512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199656900 + 15437041 = 14130^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 215093941 - 2⁵ = 215093909 is a prime.

It is a super-2 number, since 2×215093941² = 92530806909822962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215093897 and 215093906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215093041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107546970 + 107546971.

It is an arithmetic number, because the mean of its divisors is an integer number (107546971).

Almost surely, 2^215093941 is an apocalyptic number.

It is an amenable number.

215093941 is a deficient number, since it is larger than the sum of its proper divisors (1).

215093941 is an equidigital number, since it uses as much as digits as its factorization.

215093941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 215093941 is about 14666.0813102887. The cubic root of 215093941 is about 599.1598806964.

The spelling of 215093941 in words is "two hundred fifteen million, ninety-three thousand, nine hundred forty-one".