245224073 has 2 divisors, whose sum is σ = 245224074. Its totient is φ = 245224072.

The previous prime is 245224037. The next prime is 245224079. The reversal of 245224073 is 370422542.

Together with previous prime (245224037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146579449 + 98644624 = 12107^2 + 9932^2 .

It is a cyclic number.

It is not a de Polignac number, because 245224073 - 2¹⁸ = 244961929 is a prime.

It is not a weakly prime, because it can be changed into another prime (245224079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122612036 + 122612037.

It is an arithmetic number, because the mean of its divisors is an integer number (122612037).

Almost surely, 2^245224073 is an apocalyptic number.

It is an amenable number.

245224073 is a deficient number, since it is larger than the sum of its proper divisors (1).

245224073 is an equidigital number, since it uses as much as digits as its factorization.

245224073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 245224073 is about 15659.6319560838. The cubic root of 245224073 is about 625.9231780097.

The spelling of 245224073 in words is "two hundred forty-five million, two hundred twenty-four thousand, seventy-three".