245730393 has 12 divisors (see below), whose sum is σ = 375823188. Its totient is φ = 154183680.

The previous prime is 245730383. The next prime is 245730403. The reversal of 245730393 is 393037542.

245730393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245730383) and next prime (245730403).

It can be written as a sum of positive squares in 2 ways, for example, as 178703424 + 67026969 = 13368^2 + 8187^2 .

It is not a de Polignac number, because 245730393 - 2¹⁰ = 245729369 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245730383) 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, 802888 + ... + 803193.

It is an arithmetic number, because the mean of its divisors is an integer number (31318599).

Almost surely, 2^245730393 is an apocalyptic number.

It is an amenable number.

245730393 is a deficient number, since it is larger than the sum of its proper divisors (130092795).

245730393 is a wasteful number, since it uses less digits than its factorization.

245730393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606104 (or 1606101 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 245730393 is about 15675.7900279380. The cubic root of 245730393 is about 626.3536680425.

The spelling of 245730393 in words is "two hundred forty-five million, seven hundred thirty thousand, three hundred ninety-three".