2456420317 has 4 divisors (see below), whose sum is σ = 2645375740. Its totient is φ = 2267464896.

The previous prime is 2456420311. The next prime is 2456420327. The reversal of 2456420317 is 7130246542.

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 241211961 + 2215208356 = 15531^2 + 47066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456420317 - 2²³ = 2448031709 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 (2456420311) 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, 94477692 + ... + 94477717.

It is an arithmetic number, because the mean of its divisors is an integer number (661343935).

Almost surely, 2^2456420317 is an apocalyptic number.

It is an amenable number.

2456420317 is a deficient number, since it is larger than the sum of its proper divisors (188955423).

2456420317 is a wasteful number, since it uses less digits than its factorization.

2456420317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188955422.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2456420317 is about 49562.2872454450. The cubic root of 2456420317 is about 1349.2763047559.

Adding to 2456420317 its reverse (7130246542), we get a palindrome (9586666859).

The spelling of 2456420317 in words is "two billion, four hundred fifty-six million, four hundred twenty thousand, three hundred seventeen".