539494065 has 96 divisors (see below), whose sum is σ = 1098893952. Its totient is φ = 241920000.

The previous prime is 539494061. The next prime is 539494069. The reversal of 539494065 is 560494935.

It is an interprime number because it is at equal distance from previous prime (539494061) and next prime (539494069).

It is not a de Polignac number, because 539494065 - 2² = 539494061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 539494065.

It is not an unprimeable number, because it can be changed into a prime (539494061) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 512790 + ... + 513840.

It is an arithmetic number, because the mean of its divisors is an integer number (11446812).

Almost surely, 2^539494065 is an apocalyptic number.

539494065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

539494065 is an abundant number, since it is smaller than the sum of its proper divisors (559399887).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539494065 is a wasteful number, since it uses less digits than its factorization.

539494065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 539494065 is about 23227.0115382931. The cubic root of 539494065 is about 814.0708872016.

The spelling of 539494065 in words is "five hundred thirty-nine million, four hundred ninety-four thousand, sixty-five".