245736097 has 4 divisors (see below), whose sum is σ = 245785876. Its totient is φ = 245686320.

The previous prime is 245736091. The next prime is 245736103. The reversal of 245736097 is 790637542.

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

It is an interprime number because it is at equal distance from previous prime (245736091) and next prime (245736103).

It can be written as a sum of positive squares in 2 ways, for example, as 238424481 + 7311616 = 15441^2 + 2704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245736097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245736091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16554 + ... + 27667.

It is an arithmetic number, because the mean of its divisors is an integer number (61446469).

Almost surely, 2^245736097 is an apocalyptic number.

It is an amenable number.

245736097 is a deficient number, since it is larger than the sum of its proper divisors (49779).

245736097 is an equidigital number, since it uses as much as digits as its factorization.

245736097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49778.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 245736097 is about 15675.9719634860. The cubic root of 245736097 is about 626.3585144023.

The spelling of 245736097 in words is "two hundred forty-five million, seven hundred thirty-six thousand, ninety-seven".