522089797 has 4 divisors (see below), whose sum is σ = 522215596. Its totient is φ = 521964000.

The previous prime is 522089783. The next prime is 522089819. The reversal of 522089797 is 797980225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 282273601 + 239816196 = 16801^2 + 15486^2 .

It is a cyclic number.

It is not a de Polignac number, because 522089797 - 2¹¹ = 522087749 is a prime.

It is a super-2 number, since 2×522089797² = 545155512263002418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522089797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522089707) 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 in 3 ways as a sum of consecutive naturals, for example, 56454 + ... + 65047.

It is an arithmetic number, because the mean of its divisors is an integer number (130553899).

Almost surely, 2^522089797 is an apocalyptic number.

It is an amenable number.

522089797 is a deficient number, since it is larger than the sum of its proper divisors (125799).

522089797 is a wasteful number, since it uses less digits than its factorization.

522089797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125798.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 522089797 is about 22849.2843870437. The cubic root of 522089797 is about 805.2209555113.

The spelling of 522089797 in words is "five hundred twenty-two million, eighty-nine thousand, seven hundred ninety-seven".