201436073 has 2 divisors, whose sum is σ = 201436074. Its totient is φ = 201436072.

The previous prime is 201436069. The next prime is 201436129. The reversal of 201436073 is 370634102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133010089 + 68425984 = 11533^2 + 8272^2 .

It is a cyclic number.

It is not a de Polignac number, because 201436073 - 2² = 201436069 is a prime.

It is a super-2 number, since 2×201436073² = 81152983011322658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201436013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100718036 + 100718037.

It is an arithmetic number, because the mean of its divisors is an integer number (100718037).

Almost surely, 2^201436073 is an apocalyptic number.

It is an amenable number.

201436073 is a deficient number, since it is larger than the sum of its proper divisors (1).

201436073 is an equidigital number, since it uses as much as digits as its factorization.

201436073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 201436073 is about 14192.8176554199. The cubic root of 201436073 is about 586.1999117967.

The spelling of 201436073 in words is "two hundred one million, four hundred thirty-six thousand, seventy-three".