545264621 has 8 divisors (see below), whose sum is σ = 595008288. Its totient is φ = 495550000.

The previous prime is 545264581. The next prime is 545264653. The reversal of 545264621 is 126462545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545264621 - 2¹⁴ = 545248237 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 (545264021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56006 + ... + 65016.

It is an arithmetic number, because the mean of its divisors is an integer number (74376036).

Almost surely, 2^545264621 is an apocalyptic number.

It is an amenable number.

545264621 is a deficient number, since it is larger than the sum of its proper divisors (49743667).

545264621 is a wasteful number, since it uses less digits than its factorization.

545264621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14523.

The product of its digits is 57600, while the sum is 35.

The square root of 545264621 is about 23350.9019311889. The cubic root of 545264621 is about 816.9630978500.

The spelling of 545264621 in words is "five hundred forty-five million, two hundred sixty-four thousand, six hundred twenty-one".