245517073 has 2 divisors, whose sum is σ = 245517074. Its totient is φ = 245517072.

The previous prime is 245517067. The next prime is 245517101. The reversal of 245517073 is 370715542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225240064 + 20277009 = 15008^2 + 4503^2 .

It is a cyclic number.

It is not a de Polignac number, because 245517073 - 2²¹ = 243419921 is a prime.

It is not a weakly prime, because it can be changed into another prime (245517023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122758536 + 122758537.

It is an arithmetic number, because the mean of its divisors is an integer number (122758537).

Almost surely, 2^245517073 is an apocalyptic number.

It is an amenable number.

245517073 is a deficient number, since it is larger than the sum of its proper divisors (1).

245517073 is an equidigital number, since it uses as much as digits as its factorization.

245517073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 245517073 is about 15668.9844278434. The cubic root of 245517073 is about 626.1723684685.

The spelling of 245517073 in words is "two hundred forty-five million, five hundred seventeen thousand, seventy-three".