535399397 has 8 divisors (see below), whose sum is σ = 576931320. Its totient is φ = 493917120.

The previous prime is 535399393. The next prime is 535399429. The reversal of 535399397 is 793993535.

It can be written as a sum of positive squares in 4 ways, for example, as 35832196 + 499567201 = 5986^2 + 22351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 535399397 - 2² = 535399393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535399391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11747 + ... + 34767.

It is an arithmetic number, because the mean of its divisors is an integer number (72116415).

Almost surely, 2^535399397 is an apocalyptic number.

It is an amenable number.

535399397 is a deficient number, since it is larger than the sum of its proper divisors (41531923).

535399397 is a wasteful number, since it uses less digits than its factorization.

535399397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24823.

The product of its digits is 3444525, while the sum is 53.

The square root of 535399397 is about 23138.6991207371. The cubic root of 535399397 is about 812.0061014732.

The spelling of 535399397 in words is "five hundred thirty-five million, three hundred ninety-nine thousand, three hundred ninety-seven".