539949133 has 2 divisors, whose sum is σ = 539949134. Its totient is φ = 539949132.

The previous prime is 539949097. The next prime is 539949149. The reversal of 539949133 is 331949935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534626884 + 5322249 = 23122^2 + 2307^2 .

It is a cyclic number.

It is not a de Polignac number, because 539949133 - 2¹⁷ = 539818061 is a prime.

It is equal to p_28345879 and since 539949133 and 28345879 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539949833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269974566 + 269974567.

It is an arithmetic number, because the mean of its divisors is an integer number (269974567).

Almost surely, 2^539949133 is an apocalyptic number.

It is an amenable number.

539949133 is a deficient number, since it is larger than the sum of its proper divisors (1).

539949133 is an equidigital number, since it uses as much as digits as its factorization.

539949133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 46.

The square root of 539949133 is about 23236.8055678916. The cubic root of 539949133 is about 814.2997148643.

The spelling of 539949133 in words is "five hundred thirty-nine million, nine hundred forty-nine thousand, one hundred thirty-three".