245430233 has 2 divisors, whose sum is σ = 245430234. Its totient is φ = 245430232.

The previous prime is 245430221. The next prime is 245430257. The reversal of 245430233 is 332034542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202435984 + 42994249 = 14228^2 + 6557^2 .

It is a cyclic number.

It is not a de Polignac number, because 245430233 - 2²⁴ = 228653017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245430293) 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, 122715116 + 122715117.

It is an arithmetic number, because the mean of its divisors is an integer number (122715117).

Almost surely, 2^245430233 is an apocalyptic number.

It is an amenable number.

245430233 is a deficient number, since it is larger than the sum of its proper divisors (1).

245430233 is an equidigital number, since it uses as much as digits as its factorization.

245430233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 245430233 is about 15666.2131033636. The cubic root of 245430233 is about 626.0985335206.

Adding to 245430233 its reverse (332034542), we get a palindrome (577464775).

The spelling of 245430233 in words is "two hundred forty-five million, four hundred thirty thousand, two hundred thirty-three".