539729497 has 2 divisors, whose sum is σ = 539729498. Its totient is φ = 539729496.

The previous prime is 539729483. The next prime is 539729503. The reversal of 539729497 is 794927935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311840281 + 227889216 = 17659^2 + 15096^2 .

It is a cyclic number.

It is not a de Polignac number, because 539729497 - 2¹⁹ = 539205209 is a prime.

It is not a weakly prime, because it can be changed into another prime (539729297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269864748 + 269864749.

It is an arithmetic number, because the mean of its divisors is an integer number (269864749).

Almost surely, 2^539729497 is an apocalyptic number.

It is an amenable number.

539729497 is a deficient number, since it is larger than the sum of its proper divisors (1).

539729497 is an equidigital number, since it uses as much as digits as its factorization.

539729497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 55.

The square root of 539729497 is about 23232.0790503132. The cubic root of 539729497 is about 814.1892885438.

The spelling of 539729497 in words is "five hundred thirty-nine million, seven hundred twenty-nine thousand, four hundred ninety-seven".