545251339 has 2 divisors, whose sum is σ = 545251340. Its totient is φ = 545251338.

The previous prime is 545251331. The next prime is 545251361. The reversal of 545251339 is 933152545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545251339 - 2³ = 545251331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545251298 and 545251307.

It is not a weakly prime, because it can be changed into another prime (545251331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272625669 + 272625670.

It is an arithmetic number, because the mean of its divisors is an integer number (272625670).

Almost surely, 2^545251339 is an apocalyptic number.

545251339 is a deficient number, since it is larger than the sum of its proper divisors (1).

545251339 is an equidigital number, since it uses as much as digits as its factorization.

545251339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 545251339 is about 23350.6175293074. The cubic root of 545251339 is about 816.9564643785.

The spelling of 545251339 in words is "five hundred forty-five million, two hundred fifty-one thousand, three hundred thirty-nine".