201501427273 has 2 divisors, whose sum is σ = 201501427274. Its totient is φ = 201501427272.

The previous prime is 201501427219. The next prime is 201501427279. The reversal of 201501427273 is 372724105102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195437378889 + 6064048384 = 442083^2 + 77872^2 .

It is a cyclic number.

It is not a de Polignac number, because 201501427273 - 2⁹ = 201501426761 is a prime.

It is a super-2 number, since 2×201501427273² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201501427279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100750713636 + 100750713637.

It is an arithmetic number, because the mean of its divisors is an integer number (100750713637).

Almost surely, 2^201501427273 is an apocalyptic number.

It is an amenable number.

201501427273 is a deficient number, since it is larger than the sum of its proper divisors (1).

201501427273 is an equidigital number, since it uses as much as digits as its factorization.

201501427273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 201501427273 in words is "two hundred one billion, five hundred one million, four hundred twenty-seven thousand, two hundred seventy-three".