215135083 has 2 divisors, whose sum is σ = 215135084. Its totient is φ = 215135082.

The previous prime is 215135069. The next prime is 215135101. The reversal of 215135083 is 380531512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215135083 - 2¹⁷ = 215004011 is a prime.

It is not a weakly prime, because it can be changed into another prime (215135483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107567541 + 107567542.

It is an arithmetic number, because the mean of its divisors is an integer number (107567542).

Almost surely, 2^215135083 is an apocalyptic number.

215135083 is a deficient number, since it is larger than the sum of its proper divisors (1).

215135083 is an equidigital number, since it uses as much as digits as its factorization.

215135083 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 28.

The square root of 215135083 is about 14667.4838673850. The cubic root of 215135083 is about 599.1980796096.

Adding to 215135083 its reverse (380531512), we get a palindrome (595666595).

The spelling of 215135083 in words is "two hundred fifteen million, one hundred thirty-five thousand, eighty-three".