539425009 has 2 divisors, whose sum is σ = 539425010. Its totient is φ = 539425008.

The previous prime is 539424989. The next prime is 539425031. The reversal of 539425009 is 900524935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533471409 + 5953600 = 23097^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 539425009 - 2⁷ = 539424881 is a prime.

It is not a weakly prime, because it can be changed into another prime (539425039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269712504 + 269712505.

It is an arithmetic number, because the mean of its divisors is an integer number (269712505).

Almost surely, 2^539425009 is an apocalyptic number.

It is an amenable number.

539425009 is a deficient number, since it is larger than the sum of its proper divisors (1).

539425009 is an equidigital number, since it uses as much as digits as its factorization.

539425009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 539425009 is about 23225.5249456282. The cubic root of 539425009 is about 814.0361516462.

It can be divided in two parts, 5394 and 25009, that added together give a palindrome (30403).

The spelling of 539425009 in words is "five hundred thirty-nine million, four hundred twenty-five thousand, nine".