545315617 has 8 divisors (see below), whose sum is σ = 679874112. Its totient is φ = 424921200.

The previous prime is 545315609. The next prime is 545315629. The reversal of 545315617 is 716513545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545315617 - 2³ = 545315609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545310617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3540934 + ... + 3541087.

It is an arithmetic number, because the mean of its divisors is an integer number (84984264).

Almost surely, 2^545315617 is an apocalyptic number.

It is an amenable number.

545315617 is a deficient number, since it is larger than the sum of its proper divisors (134558495).

545315617 is a wasteful number, since it uses less digits than its factorization.

545315617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082039.

The product of its digits is 63000, while the sum is 37.

The square root of 545315617 is about 23351.9938549153. The cubic root of 545315617 is about 816.9885659437.

The spelling of 545315617 in words is "five hundred forty-five million, three hundred fifteen thousand, six hundred seventeen".