245416393 has 2 divisors, whose sum is σ = 245416394. Its totient is φ = 245416392.

The previous prime is 245416387. The next prime is 245416441. The reversal of 245416393 is 393614542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191877904 + 53538489 = 13852^2 + 7317^2 .

It is a cyclic number.

It is not a de Polignac number, because 245416393 - 2⁹ = 245415881 is a prime.

It is not a weakly prime, because it can be changed into another prime (245416313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122708196 + 122708197.

It is an arithmetic number, because the mean of its divisors is an integer number (122708197).

Almost surely, 2^245416393 is an apocalyptic number.

It is an amenable number.

245416393 is a deficient number, since it is larger than the sum of its proper divisors (1).

245416393 is an equidigital number, since it uses as much as digits as its factorization.

245416393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 245416393 is about 15665.7713822205. The cubic root of 245416393 is about 626.0867645731.

The spelling of 245416393 in words is "two hundred forty-five million, four hundred sixteen thousand, three hundred ninety-three".