545352407 has 4 divisors (see below), whose sum is σ = 545508696. Its totient is φ = 545196120.

The previous prime is 545352391. The next prime is 545352419. The reversal of 545352407 is 704253545.

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 545352407 - 2⁴ = 545352391 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 (545352007) 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, 72788 + ... + 79929.

It is an arithmetic number, because the mean of its divisors is an integer number (136377174).

Almost surely, 2^545352407 is an apocalyptic number.

545352407 is a deficient number, since it is larger than the sum of its proper divisors (156289).

545352407 is a wasteful number, since it uses less digits than its factorization.

545352407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156288.

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 545352407 is about 23352.7815687982. The cubic root of 545352407 is about 817.0069383825.

The spelling of 545352407 in words is "five hundred forty-five million, three hundred fifty-two thousand, four hundred seven".