730253 has 2 divisors, whose sum is σ = 730254. Its totient is φ = 730252.

The previous prime is 730237. The next prime is 730277. The reversal of 730253 is 352037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487204 + 243049 = 698^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 730253 - 2⁴ = 730237 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (730283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365126 + 365127.

It is an arithmetic number, because the mean of its divisors is an integer number (365127).

2⁷³⁰²⁵³ is an apocalyptic number.

It is an amenable number.

730253 is a deficient number, since it is larger than the sum of its proper divisors (1).

730253 is an equidigital number, since it uses as much as digits as its factorization.

730253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 730253 is about 854.5484187569. The cubic root of 730253 is about 90.0515342717.

The spelling of 730253 in words is "seven hundred thirty thousand, two hundred fifty-three".