202078601 has 4 divisors (see below), whose sum is σ = 202127892. Its totient is φ = 202029312.

The previous prime is 202078579. The next prime is 202078637. The reversal of 202078601 is 106870202.

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 87909376 + 114169225 = 9376^2 + 10685^2 .

It is a cyclic number.

It is not a de Polignac number, because 202078601 - 2⁶ = 202078537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202078651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17876 + ... + 26901.

It is an arithmetic number, because the mean of its divisors is an integer number (50531973).

Almost surely, 2^202078601 is an apocalyptic number.

It is an amenable number.

202078601 is a deficient number, since it is larger than the sum of its proper divisors (49291).

202078601 is an equidigital number, since it uses as much as digits as its factorization.

202078601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49290.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 202078601 is about 14215.4353081430. The cubic root of 202078601 is about 586.8225246985.

The spelling of 202078601 in words is "two hundred two million, seventy-eight thousand, six hundred one".