730248253 has 24 divisors (see below), whose sum is σ = 862327040. Its totient is φ = 605750400.

The previous prime is 730248247. The next prime is 730248269. The reversal of 730248253 is 352842037.

It is not a de Polignac number, because 730248253 - 2²¹ = 728151101 is a prime.

It is a super-2 number, since 2×730248253² = 1066525022019104018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730248203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2694508 + ... + 2694778.

Almost surely, 2^730248253 is an apocalyptic number.

It is an amenable number.

730248253 is a deficient number, since it is larger than the sum of its proper divisors (132078787).

730248253 is a wasteful number, since it uses less digits than its factorization.

730248253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 730248253 is about 27023.1059095730. The cubic root of 730248253 is about 900.5133914500.

It can be divided in two parts, 7302 and 48253, that added together give a palindrome (55555).

The spelling of 730248253 in words is "seven hundred thirty million, two hundred forty-eight thousand, two hundred fifty-three".