701591 has 4 divisors (see below), whose sum is σ = 765384. Its totient is φ = 637800.

The previous prime is 701581. The next prime is 701593. The reversal of 701591 is 195107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195107 = 11 ⋅17737.

It is a cyclic number.

It is not a de Polignac number, because 701591 - 2⁶ = 701527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31880 + ... + 31901.

It is an arithmetic number, because the mean of its divisors is an integer number (191346).

2⁷⁰¹⁵⁹¹ is an apocalyptic number.

701591 is a deficient number, since it is larger than the sum of its proper divisors (63793).

701591 is a wasteful number, since it uses less digits than its factorization.

701591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63792.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 701591 is about 837.6102912453. The cubic root of 701591 is about 88.8576185724.

Adding to 701591 its reverse (195107), we get a palindrome (896698).

It can be divided in two parts, 70 and 1591, that added together give a palindrome (1661).

The spelling of 701591 in words is "seven hundred one thousand, five hundred ninety-one".