548516513 has 4 divisors (see below), whose sum is σ = 555459840. Its totient is φ = 541573188.

The previous prime is 548516483. The next prime is 548516533. The reversal of 548516513 is 315615845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 548516513 - 2²⁴ = 531739297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548516533) 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, 3471545 + ... + 3471702.

It is an arithmetic number, because the mean of its divisors is an integer number (138864960).

Almost surely, 2^548516513 is an apocalyptic number.

It is an amenable number.

548516513 is a deficient number, since it is larger than the sum of its proper divisors (6943327).

548516513 is an equidigital number, since it uses as much as digits as its factorization.

548516513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943326.

The product of its digits is 72000, while the sum is 38.

The square root of 548516513 is about 23420.4293940141. The cubic root of 548516513 is about 818.5839694571.

The spelling of 548516513 in words is "five hundred forty-eight million, five hundred sixteen thousand, five hundred thirteen".