535273997 has 2 divisors, whose sum is σ = 535273998. Its totient is φ = 535273996.

The previous prime is 535273987. The next prime is 535274081. The reversal of 535273997 is 799372535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345550921 + 189723076 = 18589^2 + 13774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535273997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535273927) 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, 267636998 + 267636999.

It is an arithmetic number, because the mean of its divisors is an integer number (267636999).

Almost surely, 2^535273997 is an apocalyptic number.

It is an amenable number.

535273997 is a deficient number, since it is larger than the sum of its proper divisors (1).

535273997 is an equidigital number, since it uses as much as digits as its factorization.

535273997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1786050, while the sum is 50.

The square root of 535273997 is about 23135.9892159380. The cubic root of 535273997 is about 811.9427011304.

The spelling of 535273997 in words is "five hundred thirty-five million, two hundred seventy-three thousand, nine hundred ninety-seven".