162725573 has 2 divisors, whose sum is σ = 162725574. Its totient is φ = 162725572.

The previous prime is 162725561. The next prime is 162725617. The reversal of 162725573 is 375527261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94051204 + 68674369 = 9698^2 + 8287^2 .

It is a cyclic number.

It is not a de Polignac number, because 162725573 - 2²⁶ = 95616709 is a prime.

It is a super-2 number, since 2×162725573² = 52959224216356658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162725503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81362786 + 81362787.

It is an arithmetic number, because the mean of its divisors is an integer number (81362787).

Almost surely, 2^162725573 is an apocalyptic number.

It is an amenable number.

162725573 is a deficient number, since it is larger than the sum of its proper divisors (1).

162725573 is an equidigital number, since it uses as much as digits as its factorization.

162725573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 38.

The square root of 162725573 is about 12756.3934166362. The cubic root of 162725573 is about 545.9488260840.

The spelling of 162725573 in words is "one hundred sixty-two million, seven hundred twenty-five thousand, five hundred seventy-three".