539397745 has 16 divisors (see below), whose sum is σ = 684089280. Its totient is φ = 407160000.

The previous prime is 539397673. The next prime is 539397757. The reversal of 539397745 is 547793935.

It is a de Polignac number, because none of the positive numbers 2^k-539397745 is a prime.

It is a super-2 number, since 2×539397745² = 581899854622170050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 539397692 and 539397701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12535 + ... + 35155.

It is an arithmetic number, because the mean of its divisors is an integer number (42755580).

Almost surely, 2^539397745 is an apocalyptic number.

It is an amenable number.

539397745 is a deficient number, since it is larger than the sum of its proper divisors (144691535).

539397745 is a wasteful number, since it uses less digits than its factorization.

539397745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22896.

The product of its digits is 3572100, while the sum is 52.

The square root of 539397745 is about 23224.9379977644. The cubic root of 539397745 is about 814.0224368849.

The spelling of 539397745 in words is "five hundred thirty-nine million, three hundred ninety-seven thousand, seven hundred forty-five".