245370289 has 2 divisors, whose sum is σ = 245370290. Its totient is φ = 245370288.

The previous prime is 245370283. The next prime is 245370311. The reversal of 245370289 is 982073542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245235600 + 134689 = 15660^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 245370289 - 2¹¹ = 245368241 is a prime.

It is not a weakly prime, because it can be changed into another prime (245370283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122685144 + 122685145.

It is an arithmetic number, because the mean of its divisors is an integer number (122685145).

Almost surely, 2^245370289 is an apocalyptic number.

It is an amenable number.

245370289 is a deficient number, since it is larger than the sum of its proper divisors (1).

245370289 is an equidigital number, since it uses as much as digits as its factorization.

245370289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 245370289 is about 15664.2998247608. The cubic root of 245370289 is about 626.0475564996.

The spelling of 245370289 in words is "two hundred forty-five million, three hundred seventy thousand, two hundred eighty-nine".