730251 has 12 divisors (see below), whose sum is σ = 1081080. Its totient is φ = 474720.

The previous prime is 730237. The next prime is 730253. The reversal of 730251 is 152037.

It is not a de Polignac number, because 730251 - 2⁶ = 730187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (90090).

2⁷³⁰²⁵¹ is an apocalyptic number.

730251 is a deficient number, since it is larger than the sum of its proper divisors (350829).

730251 is a wasteful number, since it uses less digits than its factorization.

730251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 730251 is about 854.5472485474. The cubic root of 730251 is about 90.0514520613.

Adding to 730251 its reverse (152037), we get a palindrome (882288).

The spelling of 730251 in words is "seven hundred thirty thousand, two hundred fifty-one".