202016897 has 4 divisors (see below), whose sum is σ = 202101060. Its totient is φ = 201932736.

The previous prime is 202016891. The next prime is 202016909. The reversal of 202016897 is 798610202.

It is a happy number.

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 170668096 + 31348801 = 13064^2 + 5599^2 .

It is a cyclic number.

It is not a de Polignac number, because 202016897 - 2²² = 197822593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202016891) 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, 38372 + ... + 43317.

It is an arithmetic number, because the mean of its divisors is an integer number (50525265).

Almost surely, 2^202016897 is an apocalyptic number.

It is an amenable number.

202016897 is a deficient number, since it is larger than the sum of its proper divisors (84163).

202016897 is an equidigital number, since it uses as much as digits as its factorization.

202016897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84162.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 202016897 is about 14213.2648255072. The cubic root of 202016897 is about 586.7627905440.

The spelling of 202016897 in words is "two hundred two million, sixteen thousand, eight hundred ninety-seven".