2458257317 has 4 divisors (see below), whose sum is σ = 2458356780. Its totient is φ = 2458157856.

The previous prime is 2458257283. The next prime is 2458257331. The reversal of 2458257317 is 7137528542.

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 1420837636 + 1037419681 = 37694^2 + 32209^2 .

It is a cyclic number.

It is not a de Polignac number, because 2458257317 - 2⁶ = 2458257253 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 (2458257337) 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, 19073 + ... + 72665.

It is an arithmetic number, because the mean of its divisors is an integer number (614589195).

Almost surely, 2^2458257317 is an apocalyptic number.

It is an amenable number.

2458257317 is a deficient number, since it is larger than the sum of its proper divisors (99463).

2458257317 is an equidigital number, since it uses as much as digits as its factorization.

2458257317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99462.

The product of its digits is 470400, while the sum is 44.

The square root of 2458257317 is about 49580.8160178914. The cubic root of 2458257317 is about 1349.6125668285.

The spelling of 2458257317 in words is "two billion, four hundred fifty-eight million, two hundred fifty-seven thousand, three hundred seventeen".