70000591 has 2 divisors, whose sum is σ = 70000592. Its totient is φ = 70000590.

The previous prime is 70000589. The next prime is 70000613. The reversal of 70000591 is 19500007.

It is an a-pointer prime, because the next prime (70000613) can be obtained adding 70000591 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70000591 - 2¹ = 70000589 is a prime.

Together with 70000589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000295 + 35000296.

It is an arithmetic number, because the mean of its divisors is an integer number (35000296).

Almost surely, 2^70000591 is an apocalyptic number.

70000591 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000591 is an equidigital number, since it uses as much as digits as its factorization.

70000591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 70000591 is about 8366.6355842716. The cubic root of 70000591 is about 412.1296898250.

Adding to 70000591 its reverse (19500007), we get a palindrome (89500598).

The spelling of 70000591 in words is "seventy million, five hundred ninety-one", and thus it is an aban number.