548132939 has 2 divisors, whose sum is σ = 548132940. Its totient is φ = 548132938.

The previous prime is 548132929. The next prime is 548132947. The reversal of 548132939 is 939231845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548132939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 548132939.

It is not a weakly prime, because it can be changed into another prime (548132909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274066469 + 274066470.

It is an arithmetic number, because the mean of its divisors is an integer number (274066470).

Almost surely, 2^548132939 is an apocalyptic number.

548132939 is a deficient number, since it is larger than the sum of its proper divisors (1).

548132939 is an equidigital number, since it uses as much as digits as its factorization.

548132939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 548132939 is about 23412.2390855723. The cubic root of 548132939 is about 818.3931148287.

The spelling of 548132939 in words is "five hundred forty-eight million, one hundred thirty-two thousand, nine hundred thirty-nine".