162403273 has 2 divisors, whose sum is σ = 162403274. Its totient is φ = 162403272.

The previous prime is 162403271. The next prime is 162403309. The reversal of 162403273 is 372304261.

162403273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134861769 + 27541504 = 11613^2 + 5248^2 .

It is a cyclic number.

It is not a de Polignac number, because 162403273 - 2¹ = 162403271 is a prime.

It is a super-2 number, since 2×162403273² = 52749646162225058, which contains 22 as substring.

Together with 162403271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (162403271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81201636 + 81201637.

It is an arithmetic number, because the mean of its divisors is an integer number (81201637).

Almost surely, 2^162403273 is an apocalyptic number.

It is an amenable number.

162403273 is a deficient number, since it is larger than the sum of its proper divisors (1).

162403273 is an equidigital number, since it uses as much as digits as its factorization.

162403273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 162403273 is about 12743.7542741533. The cubic root of 162403273 is about 545.5881460307.

The spelling of 162403273 in words is "one hundred sixty-two million, four hundred three thousand, two hundred seventy-three".