539235641 has 6 divisors (see below), whose sum is σ = 627274170. Its totient is φ = 462201936.

The previous prime is 539235611. The next prime is 539235709. The reversal of 539235641 is 146532935.

It can be written as a sum of positive squares in only one way, i.e., 449270416 + 89965225 = 21196^2 + 9485^2 .

It is not a de Polignac number, because 539235641 - 2⁶ = 539235577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539235595 and 539235604.

It is not an unprimeable number, because it can be changed into a prime (539235611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5502356 + ... + 5502453.

It is an arithmetic number, because the mean of its divisors is an integer number (104545695).

Almost surely, 2^539235641 is an apocalyptic number.

It is an amenable number.

539235641 is a deficient number, since it is larger than the sum of its proper divisors (88038529).

539235641 is a wasteful number, since it uses less digits than its factorization.

539235641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11004823 (or 11004816 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 539235641 is about 23221.4478661431. The cubic root of 539235641 is about 813.9408832662.

The spelling of 539235641 in words is "five hundred thirty-nine million, two hundred thirty-five thousand, six hundred forty-one".