545051697 has 4 divisors (see below), whose sum is σ = 726735600. Its totient is φ = 363367796.

The previous prime is 545051693. The next prime is 545051701. The reversal of 545051697 is 796150545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (545051693) and next prime (545051701).

It is a cyclic number.

It is not a de Polignac number, because 545051697 - 2² = 545051693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545051693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90841947 + ... + 90841952.

It is an arithmetic number, because the mean of its divisors is an integer number (181683900).

Almost surely, 2^545051697 is an apocalyptic number.

It is an amenable number.

545051697 is a deficient number, since it is larger than the sum of its proper divisors (181683903).

545051697 is a wasteful number, since it uses less digits than its factorization.

545051697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181683902.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 545051697 is about 23346.3422616906. The cubic root of 545051697 is about 816.8567435581.

The spelling of 545051697 in words is "five hundred forty-five million, fifty-one thousand, six hundred ninety-seven".