245530097 has 4 divisors (see below), whose sum is σ = 247178100. Its totient is φ = 243882096.

The previous prime is 245530081. The next prime is 245530111. The reversal of 245530097 is 790035542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157151296 + 88378801 = 12536^2 + 9401^2 .

It is a cyclic number.

It is not a de Polignac number, because 245530097 - 2⁴ = 245530081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245530007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823778 + ... + 824075.

It is an arithmetic number, because the mean of its divisors is an integer number (61794525).

Almost surely, 2^245530097 is an apocalyptic number.

It is an amenable number.

245530097 is a deficient number, since it is larger than the sum of its proper divisors (1648003).

245530097 is a wasteful number, since it uses less digits than its factorization.

245530097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648002.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 245530097 is about 15669.4000204220. The cubic root of 245530097 is about 626.1834405087.

Subtracting 245530097 from its reverse (790035542), we obtain a palindrome (544505445).

The spelling of 245530097 in words is "two hundred forty-five million, five hundred thirty thousand, ninety-seven".