720053 has 2 divisors, whose sum is σ = 720054. Its totient is φ = 720052.

The previous prime is 720023. The next prime is 720059. The reversal of 720053 is 350027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 628849 + 91204 = 793^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 720053 - 2⁶ = 719989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360026 + 360027.

It is an arithmetic number, because the mean of its divisors is an integer number (360027).

2⁷²⁰⁰⁵³ is an apocalyptic number.

It is an amenable number.

720053 is a deficient number, since it is larger than the sum of its proper divisors (1).

720053 is an equidigital number, since it uses as much as digits as its factorization.

720053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 720053 is about 848.5593673987. The cubic root of 720053 is about 89.6302940851.

The spelling of 720053 in words is "seven hundred twenty thousand, fifty-three".