539705397 has 32 divisors (see below), whose sum is σ = 900762624. Its totient is φ = 279244800.

The previous prime is 539705359. The next prime is 539705401. The reversal of 539705397 is 793507935.

It is not a de Polignac number, because 539705397 - 2⁶ = 539705333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539705797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54822 + ... + 63912.

It is an arithmetic number, because the mean of its divisors is an integer number (28148832).

Almost surely, 2^539705397 is an apocalyptic number.

It is an amenable number.

539705397 is a deficient number, since it is larger than the sum of its proper divisors (361057227).

539705397 is a wasteful number, since it uses less digits than its factorization.

539705397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9369.

The product of its (nonzero) digits is 893025, while the sum is 48.

The square root of 539705397 is about 23231.5603651584. The cubic root of 539705397 is about 814.1771699708.

The spelling of 539705397 in words is "five hundred thirty-nine million, seven hundred five thousand, three hundred ninety-seven".