250730653 has 2 divisors, whose sum is σ = 250730654. Its totient is φ = 250730652.

The previous prime is 250730617. The next prime is 250730663. The reversal of 250730653 is 356037052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173765124 + 76965529 = 13182^2 + 8773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250730653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250730663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125365326 + 125365327.

It is an arithmetic number, because the mean of its divisors is an integer number (125365327).

Almost surely, 2^250730653 is an apocalyptic number.

It is an amenable number.

250730653 is a deficient number, since it is larger than the sum of its proper divisors (1).

250730653 is an equidigital number, since it uses as much as digits as its factorization.

250730653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 250730653 is about 15834.4767201193. The cubic root of 250730653 is about 630.5736381008.

The spelling of 250730653 in words is "two hundred fifty million, seven hundred thirty thousand, six hundred fifty-three".