545481529 has 4 divisors (see below), whose sum is σ = 549463284. Its totient is φ = 541499776.

The previous prime is 545481527. The next prime is 545481551. The reversal of 545481529 is 925184545.

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 362826304 + 182655225 = 19048^2 + 13515^2 .

It is a cyclic number.

It is not a de Polignac number, because 545481529 - 2¹ = 545481527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545481527) 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, 1990672 + ... + 1990945.

It is an arithmetic number, because the mean of its divisors is an integer number (137365821).

Almost surely, 2^545481529 is an apocalyptic number.

It is an amenable number.

545481529 is a deficient number, since it is larger than the sum of its proper divisors (3981755).

545481529 is a wasteful number, since it uses less digits than its factorization.

545481529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981754.

The product of its digits is 288000, while the sum is 43.

The square root of 545481529 is about 23355.5460008967. The cubic root of 545481529 is about 817.0714136611.

The spelling of 545481529 in words is "five hundred forty-five million, four hundred eighty-one thousand, five hundred twenty-nine".