914215697 has 2 divisors, whose sum is σ = 914215698. Its totient is φ = 914215696.

The previous prime is 914215693. The next prime is 914215739. The reversal of 914215697 is 796512419.

It is a Cunningham number, because it is equal to 30236²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 914215696 + 1 = 30236^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 914215697 - 2² = 914215693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (914215693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457107848 + 457107849.

It is an arithmetic number, because the mean of its divisors is an integer number (457107849).

Almost surely, 2^914215697 is an apocalyptic number.

It is an amenable number.

914215697 is a deficient number, since it is larger than the sum of its proper divisors (1).

914215697 is an equidigital number, since it uses as much as digits as its factorization.

914215697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 44.

The square root of 914215697 is about 30236.0000165366. Note that the first 4 decimals coincide. The cubic root of 914215697 is about 970.5462247512.

The spelling of 914215697 in words is "nine hundred fourteen million, two hundred fifteen thousand, six hundred ninety-seven".