539521514 has 16 divisors (see below), whose sum is σ = 929282496. Its totient is φ = 230126400.

The previous prime is 539521369. The next prime is 539521561. The reversal of 539521514 is 415125935.

539521514 = 340² + 341² + ... + 1183².

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88367 + ... + 94274.

It is an arithmetic number, because the mean of its divisors is an integer number (58080156).

Almost surely, 2^539521514 is an apocalyptic number.

539521514 is a deficient number, since it is larger than the sum of its proper divisors (389760982).

539521514 is a wasteful number, since it uses less digits than its factorization.

539521514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182861.

The product of its digits is 27000, while the sum is 35.

The square root of 539521514 is about 23227.6024160911. The cubic root of 539521514 is about 814.0846933793.

The spelling of 539521514 in words is "five hundred thirty-nine million, five hundred twenty-one thousand, five hundred fourteen".