85714297 has 2 divisors, whose sum is σ = 85714298. Its totient is φ = 85714296.

The previous prime is 85714271. The next prime is 85714331. The reversal of 85714297 is 79241758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65545216 + 20169081 = 8096^2 + 4491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85714297 is a prime.

It is not a weakly prime, because it can be changed into another prime (85714207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42857148 + 42857149.

It is an arithmetic number, because the mean of its divisors is an integer number (42857149).

Almost surely, 2^85714297 is an apocalyptic number.

It is an amenable number.

85714297 is a deficient number, since it is larger than the sum of its proper divisors (1).

85714297 is an equidigital number, since it uses as much as digits as its factorization.

85714297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 43.

The square root of 85714297 is about 9258.2016072237. The cubic root of 85714297 is about 440.9111576595.

The spelling of 85714297 in words is "eighty-five million, seven hundred fourteen thousand, two hundred ninety-seven".