545513071 has 4 divisors (see below), whose sum is σ = 550611432. Its totient is φ = 540414712.

The previous prime is 545513041. The next prime is 545513099. The reversal of 545513071 is 170315545.

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

It is a cyclic number.

It is not a de Polignac number, because 545513071 - 2¹³ = 545504879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545513041) 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, 2549020 + ... + 2549233.

It is an arithmetic number, because the mean of its divisors is an integer number (137652858).

Almost surely, 2^545513071 is an apocalyptic number.

545513071 is a deficient number, since it is larger than the sum of its proper divisors (5098361).

545513071 is a wasteful number, since it uses less digits than its factorization.

545513071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098360.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 545513071 is about 23356.2212483098. The cubic root of 545513071 is about 817.0871621747.

The spelling of 545513071 in words is "five hundred forty-five million, five hundred thirteen thousand, seventy-one".