2478563513 has 8 divisors (see below), whose sum is σ = 2617489728. Its totient is φ = 2342234224.

The previous prime is 2478563441. The next prime is 2478563539. The reversal of 2478563513 is 3153658742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2478563513 is a prime.

It is a super-2 number, since 2×2478563513² = 12286554175949802338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2478563573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647270 + ... + 651087.

It is an arithmetic number, because the mean of its divisors is an integer number (327186216).

Almost surely, 2^2478563513 is an apocalyptic number.

2478563513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2478563513 is a deficient number, since it is larger than the sum of its proper divisors (138926215).

2478563513 is a wasteful number, since it uses less digits than its factorization.

2478563513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298463.

The product of its digits is 604800, while the sum is 44.

The square root of 2478563513 is about 49785.1736262916. The cubic root of 2478563513 is about 1353.3184958711.

The spelling of 2478563513 in words is "two billion, four hundred seventy-eight million, five hundred sixty-three thousand, five hundred thirteen".