545434011 has 12 divisors (see below), whose sum is σ = 791322792. Its totient is φ = 362019456.

The previous prime is 545434009. The next prime is 545434031. The reversal of 545434011 is 110434545.

It is a happy number.

It is not a de Polignac number, because 545434011 - 2¹ = 545434009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545434031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131446 + ... + 135531.

It is an arithmetic number, because the mean of its divisors is an integer number (65943566).

Almost surely, 2^545434011 is an apocalyptic number.

545434011 is a deficient number, since it is larger than the sum of its proper divisors (245888781).

545434011 is a wasteful number, since it uses less digits than its factorization.

545434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267210 (or 267207 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 545434011 is about 23354.5287043006. The cubic root of 545434011 is about 817.0476873907.

Adding to 545434011 its reverse (110434545), we get a palindrome (655868556).

The spelling of 545434011 in words is "five hundred forty-five million, four hundred thirty-four thousand, eleven".