545409316 has 9 divisors (see below), whose sum is σ = 954548049. Its totient is φ = 272681304.

The previous prime is 545409313. The next prime is 545409329. The reversal of 545409316 is 613904545.

The square root of 545409316 is 23354.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 466128100 + 79281216 = 21590^2 + 8904^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545409311) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 40870 + ... + 52546.

Almost surely, 2^545409316 is an apocalyptic number.

545409316 is the 23354-th square number.

It is an amenable number.

545409316 is a deficient number, since it is larger than the sum of its proper divisors (409138733).

545409316 is an frugal number, since it uses more digits than its factorization.

545409316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23358 (or 11679 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The cubic root of 545409316 is about 817.0353563559.

The spelling of 545409316 in words is "five hundred forty-five million, four hundred nine thousand, three hundred sixteen".