721484003 has 2 divisors, whose sum is σ = 721484004. Its totient is φ = 721484002.

The previous prime is 721483999. The next prime is 721484041. The reversal of 721484003 is 300484127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 721484003 - 2² = 721483999 is a prime.

It is not a weakly prime, because it can be changed into another prime (721484303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360742001 + 360742002.

It is an arithmetic number, because the mean of its divisors is an integer number (360742002).

Almost surely, 2^721484003 is an apocalyptic number.

721484003 is a deficient number, since it is larger than the sum of its proper divisors (1).

721484003 is an equidigital number, since it uses as much as digits as its factorization.

721484003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 721484003 is about 26860.4542590031. The cubic root of 721484003 is about 896.8963061837.

The spelling of 721484003 in words is "seven hundred twenty-one million, four hundred eighty-four thousand, three".