245151482717 has 4 divisors (see below), whose sum is σ = 245152481340. Its totient is φ = 245150484096.

The previous prime is 245151482689. The next prime is 245151482729. The reversal of 245151482717 is 717284151542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 182988028441 + 62163454276 = 427771^2 + 249326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245151482717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245151482747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152909 + ... + 716717.

It is an arithmetic number, because the mean of its divisors is an integer number (61288120335).

Almost surely, 2^245151482717 is an apocalyptic number.

It is an amenable number.

245151482717 is a deficient number, since it is larger than the sum of its proper divisors (998623).

245151482717 is an equidigital number, since it uses as much as digits as its factorization.

245151482717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998622.

The product of its digits is 627200, while the sum is 47.

The spelling of 245151482717 in words is "two hundred forty-five billion, one hundred fifty-one million, four hundred eighty-two thousand, seven hundred seventeen".