545399 has 6 divisors (see below), whose sum is σ = 570696. Its totient is φ = 521180.

The previous prime is 545387. The next prime is 545429. The reversal of 545399 is 993545.

545399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545399 - 2⁸ = 545143 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 (545329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (95116).

2⁵⁴⁵³⁹⁹ is an apocalyptic number.

545399 is a deficient number, since it is larger than the sum of its proper divisors (25297).

545399 is a wasteful number, since it uses less digits than its factorization.

545399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1054 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The square root of 545399 is about 738.5113404681. The cubic root of 545399 is about 81.7030205124.

The spelling of 545399 in words is "five hundred forty-five thousand, three hundred ninety-nine".