701155891 has 2 divisors, whose sum is σ = 701155892. Its totient is φ = 701155890.

The previous prime is 701155831. The next prime is 701155909. The reversal of 701155891 is 198551107.

701155891 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 is a cyclic number.

It is not a de Polignac number, because 701155891 - 2²⁹ = 164284979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 701155891.

It is not a weakly prime, because it can be changed into another prime (701155811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350577945 + 350577946.

It is an arithmetic number, because the mean of its divisors is an integer number (350577946).

Almost surely, 2^701155891 is an apocalyptic number.

701155891 is a deficient number, since it is larger than the sum of its proper divisors (1).

701155891 is an equidigital number, since it uses as much as digits as its factorization.

701155891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 37.

The square root of 701155891 is about 26479.3483869977. The cubic root of 701155891 is about 888.3924569095.

The spelling of 701155891 in words is "seven hundred one million, one hundred fifty-five thousand, eight hundred ninety-one".