545070671 has 4 divisors (see below), whose sum is σ = 545590344. Its totient is φ = 544551000.

The previous prime is 545070637. The next prime is 545070697. The reversal of 545070671 is 176070545.

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 545070671 - 2⁶ = 545070607 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 (545070601) 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, 258260 + ... + 260361.

It is an arithmetic number, because the mean of its divisors is an integer number (136397586).

Almost surely, 2^545070671 is an apocalyptic number.

545070671 is a deficient number, since it is larger than the sum of its proper divisors (519673).

545070671 is a wasteful number, since it uses less digits than its factorization.

545070671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519672.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 545070671 is about 23346.7486173129. The cubic root of 545070671 is about 816.8662220841.

The spelling of 545070671 in words is "five hundred forty-five million, seventy thousand, six hundred seventy-one".