245536073 has 2 divisors, whose sum is σ = 245536074. Its totient is φ = 245536072.

The previous prime is 245536021. The next prime is 245536087. The reversal of 245536073 is 370635542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199459129 + 46076944 = 14123^2 + 6788^2 .

It is a cyclic number.

It is not a de Polignac number, because 245536073 - 2⁶ = 245536009 is a prime.

It is a super-2 number, since 2×245536073² = 120575926288522658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245536273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122768036 + 122768037.

It is an arithmetic number, because the mean of its divisors is an integer number (122768037).

Almost surely, 2^245536073 is an apocalyptic number.

It is an amenable number.

245536073 is a deficient number, since it is larger than the sum of its proper divisors (1).

245536073 is an equidigital number, since it uses as much as digits as its factorization.

245536073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 245536073 is about 15669.5907093963. The cubic root of 245536073 is about 626.1885207302.

The spelling of 245536073 in words is "two hundred forty-five million, five hundred thirty-six thousand, seventy-three".