245322331 has 2 divisors, whose sum is σ = 245322332. Its totient is φ = 245322330.

The previous prime is 245322323. The next prime is 245322349. The reversal of 245322331 is 133223542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245322331 - 2³ = 245322323 is a prime.

It is a super-2 number, since 2×245322331² = 120366092174547122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245322296 and 245322305.

It is not a weakly prime, because it can be changed into another prime (245322361) 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, 122661165 + 122661166.

It is an arithmetic number, because the mean of its divisors is an integer number (122661166).

Almost surely, 2^245322331 is an apocalyptic number.

245322331 is a deficient number, since it is larger than the sum of its proper divisors (1).

245322331 is an equidigital number, since it uses as much as digits as its factorization.

245322331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 245322331 is about 15662.7689442193. The cubic root of 245322331 is about 626.0067665231.

Adding to 245322331 its reverse (133223542), we get a palindrome (378545873).

The spelling of 245322331 in words is "two hundred forty-five million, three hundred twenty-two thousand, three hundred thirty-one".