245464897 has 2 divisors, whose sum is σ = 245464898. Its totient is φ = 245464896.

The previous prime is 245464883. The next prime is 245464939. The reversal of 245464897 is 798464542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216207616 + 29257281 = 14704^2 + 5409^2 .

It is a cyclic number.

It is not a de Polignac number, because 245464897 - 2¹⁵ = 245432129 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245464897.

It is not a weakly prime, because it can be changed into another prime (245464867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122732448 + 122732449.

It is an arithmetic number, because the mean of its divisors is an integer number (122732449).

Almost surely, 2^245464897 is an apocalyptic number.

It is an amenable number.

245464897 is a deficient number, since it is larger than the sum of its proper divisors (1).

245464897 is an equidigital number, since it uses as much as digits as its factorization.

245464897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The square root of 245464897 is about 15667.3193942040. The cubic root of 245464897 is about 626.1280083706.

The spelling of 245464897 in words is "two hundred forty-five million, four hundred sixty-four thousand, eight hundred ninety-seven".