870097 has 2 divisors, whose sum is σ = 870098. Its totient is φ = 870096.

The previous prime is 870083. The next prime is 870109. The reversal of 870097 is 790078.

870097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863041 + 7056 = 929^2 + 84^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (870007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435048 + 435049.

It is an arithmetic number, because the mean of its divisors is an integer number (435049).

2⁸⁷⁰⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

870097 is a deficient number, since it is larger than the sum of its proper divisors (1).

870097 is an equidigital number, since it uses as much as digits as its factorization.

870097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 870097 is about 932.7899013175. The cubic root of 870097 is about 95.4675748585.

The spelling of 870097 in words is "eight hundred seventy thousand, ninety-seven".