545310405 has 12 divisors (see below), whose sum is σ = 945204780. Its totient is φ = 290832192.

The previous prime is 545310383. The next prime is 545310419. The reversal of 545310405 is 504013545.

It can be written as a sum of positive squares in 2 ways, for example, as 329749281 + 215561124 = 18159^2 + 14682^2 .

It is not a de Polignac number, because 545310405 - 2⁹ = 545309893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6058960 + ... + 6059049.

It is an arithmetic number, because the mean of its divisors is an integer number (78767065).

Almost surely, 2^545310405 is an apocalyptic number.

It is an amenable number.

545310405 is a deficient number, since it is larger than the sum of its proper divisors (399894375).

545310405 is a wasteful number, since it uses less digits than its factorization.

545310405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118020 (or 12118017 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 545310405 is about 23351.8822581821. The cubic root of 545310405 is about 816.9859630731.

The spelling of 545310405 in words is "five hundred forty-five million, three hundred ten thousand, four hundred five".