545610239 has 2 divisors, whose sum is σ = 545610240. Its totient is φ = 545610238.

The previous prime is 545610203. The next prime is 545610271. The reversal of 545610239 is 932016545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545610239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545610199 and 545610208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545612239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272805119 + 272805120.

It is an arithmetic number, because the mean of its divisors is an integer number (272805120).

Almost surely, 2^545610239 is an apocalyptic number.

545610239 is a deficient number, since it is larger than the sum of its proper divisors (1).

545610239 is an equidigital number, since it uses as much as digits as its factorization.

545610239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 545610239 is about 23358.3012866946. The cubic root of 545610239 is about 817.1356730880.

The spelling of 545610239 in words is "five hundred forty-five million, six hundred ten thousand, two hundred thirty-nine".