201601373 has 2 divisors, whose sum is σ = 201601374. Its totient is φ = 201601372.

The previous prime is 201601369. The next prime is 201601403. The reversal of 201601373 is 373106102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194825764 + 6775609 = 13958^2 + 2603^2 .

It is a cyclic number.

It is not a de Polignac number, because 201601373 - 2² = 201601369 is a prime.

It is a super-2 number, since 2×201601373² = 81286227190970258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201601303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100800686 + 100800687.

It is an arithmetic number, because the mean of its divisors is an integer number (100800687).

Almost surely, 2^201601373 is an apocalyptic number.

It is an amenable number.

201601373 is a deficient number, since it is larger than the sum of its proper divisors (1).

201601373 is an equidigital number, since it uses as much as digits as its factorization.

201601373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 201601373 is about 14198.6398292231. The cubic root of 201601373 is about 586.3602146838.

Adding to 201601373 its reverse (373106102), we get a palindrome (574707475).

The spelling of 201601373 in words is "two hundred one million, six hundred one thousand, three hundred seventy-three".