870834413 has 2 divisors, whose sum is σ = 870834414. Its totient is φ = 870834412.

The previous prime is 870834397. The next prime is 870834431. The reversal of 870834413 is 314438078.

Together with next prime (870834431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 869188324 + 1646089 = 29482^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 870834413 - 2⁴ = 870834397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870831413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435417206 + 435417207.

It is an arithmetic number, because the mean of its divisors is an integer number (435417207).

Almost surely, 2^870834413 is an apocalyptic number.

It is an amenable number.

870834413 is a deficient number, since it is larger than the sum of its proper divisors (1).

870834413 is an equidigital number, since it uses as much as digits as its factorization.

870834413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 870834413 is about 29509.9036426756. The cubic root of 870834413 is about 954.9453704485.

The spelling of 870834413 in words is "eight hundred seventy million, eight hundred thirty-four thousand, four hundred thirteen".