545573131 has 8 divisors (see below), whose sum is σ = 552913920. Its totient is φ = 538243368.

The previous prime is 545573113. The next prime is 545573141. The reversal of 545573131 is 131375545.

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

It is a cyclic number.

It is not a de Polignac number, because 545573131 - 2⁷ = 545573003 is a prime.

It is a super-2 number, since 2×545573131² = 595300082538286322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545573141) 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, 158430 + ... + 161836.

It is an arithmetic number, because the mean of its divisors is an integer number (69114240).

Almost surely, 2^545573131 is an apocalyptic number.

545573131 is a deficient number, since it is larger than the sum of its proper divisors (7340789).

545573131 is a wasteful number, since it uses less digits than its factorization.

545573131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513.

The product of its digits is 31500, while the sum is 34.

The square root of 545573131 is about 23357.5069517275. The cubic root of 545573131 is about 817.1171476793.

The spelling of 545573131 in words is "five hundred forty-five million, five hundred seventy-three thousand, one hundred thirty-one".