826198201 has 4 divisors (see below), whose sum is σ = 826262500. Its totient is φ = 826133904.

The previous prime is 826198199. The next prime is 826198231. The reversal of 826198201 is 102891628.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 445167801 + 381030400 = 21099^2 + 19520^2 .

It is a cyclic number.

It is not a de Polignac number, because 826198201 - 2¹ = 826198199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (826198231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526 + ... + 41023.

It is an arithmetic number, because the mean of its divisors is an integer number (206565625).

Almost surely, 2^826198201 is an apocalyptic number.

It is an amenable number.

826198201 is a deficient number, since it is larger than the sum of its proper divisors (64299).

826198201 is a wasteful number, since it uses less digits than its factorization.

826198201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64298.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 826198201 is about 28743.6636669719. The cubic root of 826198201 is about 938.3425602508.

The spelling of 826198201 in words is "eight hundred twenty-six million, one hundred ninety-eight thousand, two hundred one".