245162569 has 2 divisors, whose sum is σ = 245162570. Its totient is φ = 245162568.

The previous prime is 245162527. The next prime is 245162579. The reversal of 245162569 is 965261542.

245162569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243734544 + 1428025 = 15612^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 245162569 - 2⁷ = 245162441 is a prime.

It is a super-2 number, since 2×245162569² = 120209370477359522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245162579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122581284 + 122581285.

It is an arithmetic number, because the mean of its divisors is an integer number (122581285).

Almost surely, 2^245162569 is an apocalyptic number.

It is an amenable number.

245162569 is a deficient number, since it is larger than the sum of its proper divisors (1).

245162569 is an equidigital number, since it uses as much as digits as its factorization.

245162569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 245162569 is about 15657.6680575365. The cubic root of 245162569 is about 625.8708449230.

The spelling of 245162569 in words is "two hundred forty-five million, one hundred sixty-two thousand, five hundred sixty-nine".