535857997 has 2 divisors, whose sum is σ = 535857998. Its totient is φ = 535857996.

The previous prime is 535857983. The next prime is 535858009. The reversal of 535857997 is 799758535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415099876 + 120758121 = 20374^2 + 10989^2 .

It is a cyclic number.

It is not a de Polignac number, because 535857997 - 2²³ = 527469389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535857947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267928998 + 267928999.

It is an arithmetic number, because the mean of its divisors is an integer number (267928999).

Almost surely, 2^535857997 is an apocalyptic number.

It is an amenable number.

535857997 is a deficient number, since it is larger than the sum of its proper divisors (1).

535857997 is an equidigital number, since it uses as much as digits as its factorization.

535857997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11907000, while the sum is 58.

The square root of 535857997 is about 23148.6068047302. The cubic root of 535857997 is about 812.2378784280.

The spelling of 535857997 in words is "five hundred thirty-five million, eight hundred fifty-seven thousand, nine hundred ninety-seven".