545707 has 4 divisors (see below), whose sum is σ = 548320. Its totient is φ = 543096.

The previous prime is 545663. The next prime is 545711. The reversal of 545707 is 707545.

545707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707545 = 5 ⋅141509.

It is a cyclic number.

It is not a de Polignac number, because 545707 - 2⁷ = 545579 is a prime.

It is a super-2 number, since 2×545707² = 595592259698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545747) 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, 963 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (137080).

2⁵⁴⁵⁷⁰⁷ is an apocalyptic number.

545707 is the 427-th hex number.

545707 is a deficient number, since it is larger than the sum of its proper divisors (2613).

545707 is a wasteful number, since it uses less digits than its factorization.

545707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 545707 is about 738.7198386398. The cubic root of 545707 is about 81.7183975084.

The spelling of 545707 in words is "five hundred forty-five thousand, seven hundred seven".