245624329 has 2 divisors, whose sum is σ = 245624330. Its totient is φ = 245624328.

The previous prime is 245624321. The next prime is 245624413. The reversal of 245624329 is 923426542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243516025 + 2108304 = 15605^2 + 1452^2 .

It is a cyclic number.

It is not a de Polignac number, because 245624329 - 2³ = 245624321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245624321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122812164 + 122812165.

It is an arithmetic number, because the mean of its divisors is an integer number (122812165).

Almost surely, 2^245624329 is an apocalyptic number.

It is an amenable number.

245624329 is a deficient number, since it is larger than the sum of its proper divisors (1).

245624329 is an equidigital number, since it uses as much as digits as its factorization.

245624329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 245624329 is about 15672.4066116216. The cubic root of 245624329 is about 626.2635379137.

The spelling of 245624329 in words is "two hundred forty-five million, six hundred twenty-four thousand, three hundred twenty-nine".