538585969 has 2 divisors, whose sum is σ = 538585970. Its totient is φ = 538585968.

The previous prime is 538585961. The next prime is 538585997. The reversal of 538585969 is 969585835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413593569 + 124992400 = 20337^2 + 11180^2 .

It is a cyclic number.

It is not a de Polignac number, because 538585969 - 2³ = 538585961 is a prime.

It is a super-2 number, since 2×538585969² = 580149692007337922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (538585961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269292984 + 269292985.

It is an arithmetic number, because the mean of its divisors is an integer number (269292985).

Almost surely, 2^538585969 is an apocalyptic number.

It is an amenable number.

538585969 is a deficient number, since it is larger than the sum of its proper divisors (1).

538585969 is an equidigital number, since it uses as much as digits as its factorization.

538585969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664000, while the sum is 58.

The square root of 538585969 is about 23207.4550306577. The cubic root of 538585969 is about 813.6138727920.

The spelling of 538585969 in words is "five hundred thirty-eight million, five hundred eighty-five thousand, nine hundred sixty-nine".