827096521 has 8 divisors (see below), whose sum is σ = 829961640. Its totient is φ = 824237568.

The previous prime is 827096513. The next prime is 827096531. The reversal of 827096521 is 125690728.

It can be written as a sum of positive squares in 4 ways, for example, as 35462025 + 791634496 = 5955^2 + 28136^2 .

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 827096521 - 2³ = 827096513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827096531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498325 + ... + 499981.

It is an arithmetic number, because the mean of its divisors is an integer number (103745205).

Almost surely, 2^827096521 is an apocalyptic number.

It is an amenable number.

827096521 is a deficient number, since it is larger than the sum of its proper divisors (2865119).

827096521 is a wasteful number, since it uses less digits than its factorization.

827096521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 827096521 is about 28759.2858221479. The cubic root of 827096521 is about 938.6825216819.

The spelling of 827096521 in words is "eight hundred twenty-seven million, ninety-six thousand, five hundred twenty-one".