701221571 has 2 divisors, whose sum is σ = 701221572. Its totient is φ = 701221570.

The previous prime is 701221541. The next prime is 701221579. The reversal of 701221571 is 175122107.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-701221571 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 701221571.

It is not a weakly prime, because it can be changed into another prime (701221579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350610785 + 350610786.

It is an arithmetic number, because the mean of its divisors is an integer number (350610786).

Almost surely, 2^701221571 is an apocalyptic number.

701221571 is a deficient number, since it is larger than the sum of its proper divisors (1).

701221571 is an equidigital number, since it uses as much as digits as its factorization.

701221571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 701221571 is about 26480.5885697429. The cubic root of 701221571 is about 888.4201957693.

Adding to 701221571 its reverse (175122107), we get a palindrome (876343678).

The spelling of 701221571 in words is "seven hundred one million, two hundred twenty-one thousand, five hundred seventy-one".