701002391 has 2 divisors, whose sum is σ = 701002392. Its totient is φ = 701002390.

The previous prime is 701002381. The next prime is 701002403. The reversal of 701002391 is 193200107.

701002391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 701002391 - 2²⁶ = 633893527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (701002381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350501195 + 350501196.

It is an arithmetic number, because the mean of its divisors is an integer number (350501196).

Almost surely, 2^701002391 is an apocalyptic number.

701002391 is a deficient number, since it is larger than the sum of its proper divisors (1).

701002391 is an equidigital number, since it uses as much as digits as its factorization.

701002391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 701002391 is about 26476.4497431208. The cubic root of 701002391 is about 888.3276219722.

Adding to 701002391 its reverse (193200107), we get a palindrome (894202498).

The spelling of 701002391 in words is "seven hundred one million, two thousand, three hundred ninety-one".