506539417 has 2 divisors, whose sum is σ = 506539418. Its totient is φ = 506539416.

The previous prime is 506539409. The next prime is 506539447. The reversal of 506539417 is 714935605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478034496 + 28504921 = 21864^2 + 5339^2 .

It is a cyclic number.

It is not a de Polignac number, because 506539417 - 2³ = 506539409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506539417.

It is not a weakly prime, because it can be changed into another prime (506539447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253269708 + 253269709.

It is an arithmetic number, because the mean of its divisors is an integer number (253269709).

Almost surely, 2^506539417 is an apocalyptic number.

It is an amenable number.

506539417 is a deficient number, since it is larger than the sum of its proper divisors (1).

506539417 is an equidigital number, since it uses as much as digits as its factorization.

506539417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 506539417 is about 22506.4305699504. The cubic root of 506539417 is about 797.1457752158.

The spelling of 506539417 in words is "five hundred six million, five hundred thirty-nine thousand, four hundred seventeen".