162001573 has 2 divisors, whose sum is σ = 162001574. Its totient is φ = 162001572.

The previous prime is 162001559. The next prime is 162001603. The reversal of 162001573 is 375100261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125059489 + 36942084 = 11183^2 + 6078^2 .

It is a cyclic number.

It is not a de Polignac number, because 162001573 - 2²¹ = 159904421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162004573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81000786 + 81000787.

It is an arithmetic number, because the mean of its divisors is an integer number (81000787).

Almost surely, 2^162001573 is an apocalyptic number.

It is an amenable number.

162001573 is a deficient number, since it is larger than the sum of its proper divisors (1).

162001573 is an equidigital number, since it uses as much as digits as its factorization.

162001573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 162001573 is about 12727.9838544838. The cubic root of 162001573 is about 545.1379422456.

The spelling of 162001573 in words is "one hundred sixty-two million, one thousand, five hundred seventy-three".