545997241 has 4 divisors (see below), whose sum is σ = 551006500. Its totient is φ = 540987984.

The previous prime is 545997233. The next prime is 545997293. The reversal of 545997241 is 142799545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 483824016 + 62173225 = 21996^2 + 7885^2 .

It is a cyclic number.

It is not a de Polignac number, because 545997241 - 2³ = 545997233 is a prime.

It is a super-2 number, since 2×545997241² = 596225974359224162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545997191 and 545997200.

It is not an unprimeable number, because it can be changed into a prime (545997341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504466 + ... + 2504683.

It is an arithmetic number, because the mean of its divisors is an integer number (137751625).

Almost surely, 2^545997241 is an apocalyptic number.

It is an amenable number.

545997241 is a deficient number, since it is larger than the sum of its proper divisors (5009259).

545997241 is a wasteful number, since it uses less digits than its factorization.

545997241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009258.

The product of its digits is 453600, while the sum is 46.

The square root of 545997241 is about 23366.5838538713. The cubic root of 545997241 is about 817.3288258666.

The spelling of 545997241 in words is "five hundred forty-five million, nine hundred ninety-seven thousand, two hundred forty-one".