547373947 has 2 divisors, whose sum is σ = 547373948. Its totient is φ = 547373946.

The previous prime is 547373917. The next prime is 547373971. The reversal of 547373947 is 749373745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 547373947 - 2²³ = 538985339 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 547373947.

It is not a weakly prime, because it can be changed into another prime (547373917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273686973 + 273686974.

It is an arithmetic number, because the mean of its divisors is an integer number (273686974).

Almost surely, 2^547373947 is an apocalyptic number.

547373947 is a deficient number, since it is larger than the sum of its proper divisors (1).

547373947 is an equidigital number, since it uses as much as digits as its factorization.

547373947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 49.

The square root of 547373947 is about 23396.0241707859. The cubic root of 547373947 is about 818.0152011849.

The spelling of 547373947 in words is "five hundred forty-seven million, three hundred seventy-three thousand, nine hundred forty-seven".