539847097 has 4 divisors (see below), whose sum is σ = 542268160. Its totient is φ = 537426036.

The previous prime is 539847089. The next prime is 539847101. The reversal of 539847097 is 790748935.

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 a cyclic number.

It is not a de Polignac number, because 539847097 - 2³ = 539847089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539841097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210197 + ... + 1210642.

It is an arithmetic number, because the mean of its divisors is an integer number (135567040).

Almost surely, 2^539847097 is an apocalyptic number.

It is an amenable number.

539847097 is a deficient number, since it is larger than the sum of its proper divisors (2421063).

539847097 is a wasteful number, since it uses less digits than its factorization.

539847097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421062.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 539847097 is about 23234.6098955846. The cubic root of 539847097 is about 814.2484179828.

The spelling of 539847097 in words is "five hundred thirty-nine million, eight hundred forty-seven thousand, ninety-seven".