721171483 has 2 divisors, whose sum is σ = 721171484. Its totient is φ = 721171482.

The previous prime is 721171457. The next prime is 721171523. The reversal of 721171483 is 384171127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 721171483 - 2⁹ = 721170971 is a prime.

It is not a weakly prime, because it can be changed into another prime (721171883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360585741 + 360585742.

It is an arithmetic number, because the mean of its divisors is an integer number (360585742).

Almost surely, 2^721171483 is an apocalyptic number.

721171483 is a deficient number, since it is larger than the sum of its proper divisors (1).

721171483 is an equidigital number, since it uses as much as digits as its factorization.

721171483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 34.

The square root of 721171483 is about 26854.6361546754. The cubic root of 721171483 is about 896.7667867886.

The spelling of 721171483 in words is "seven hundred twenty-one million, one hundred seventy-one thousand, four hundred eighty-three".