545339431 has 16 divisors (see below), whose sum is σ = 674956800. Its totient is φ = 429054048.

The previous prime is 545339429. The next prime is 545339437. The reversal of 545339431 is 134933545.

It is a cyclic number.

It is not a de Polignac number, because 545339431 - 2¹ = 545339429 is a prime.

It is a super-2 number, since 2×545339431² = 594790190006807522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545339437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451 + ... + 33028.

It is an arithmetic number, because the mean of its divisors is an integer number (42184800).

Almost surely, 2^545339431 is an apocalyptic number.

545339431 is a deficient number, since it is larger than the sum of its proper divisors (129617369).

545339431 is a wasteful number, since it uses less digits than its factorization.

545339431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33678.

The product of its digits is 97200, while the sum is 37.

The square root of 545339431 is about 23352.5037415691. The cubic root of 545339431 is about 817.0004584343. Note that the first 3 decimals are identical.

The spelling of 545339431 in words is "five hundred forty-five million, three hundred thirty-nine thousand, four hundred thirty-one".