547480639 has 4 divisors (see below), whose sum is σ = 548493160. Its totient is φ = 546468120.

The previous prime is 547480627. The next prime is 547480657. The reversal of 547480639 is 936084745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 936084745 = 5 ⋅187216949.

It is a cyclic number.

It is not a de Polignac number, because 547480639 - 2⁷ = 547480511 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 (547480669) 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, 505449 + ... + 506530.

It is an arithmetic number, because the mean of its divisors is an integer number (137123290).

Almost surely, 2^547480639 is an apocalyptic number.

547480639 is a deficient number, since it is larger than the sum of its proper divisors (1012521).

547480639 is a wasteful number, since it uses less digits than its factorization.

547480639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012520.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 547480639 is about 23398.3041906887. The cubic root of 547480639 is about 818.0683458455.

The spelling of 547480639 in words is "five hundred forty-seven million, four hundred eighty thousand, six hundred thirty-nine".