157273163 has 2 divisors, whose sum is σ = 157273164. Its totient is φ = 157273162.

The previous prime is 157273153. The next prime is 157273169. The reversal of 157273163 is 361372751.

It is a strong prime.

It is an emirp because it is prime and its reverse (361372751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157273163 - 2⁴ = 157273147 is a prime.

It is a super-3 number, since 3×157273163³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (157273169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78636581 + 78636582.

It is an arithmetic number, because the mean of its divisors is an integer number (78636582).

Almost surely, 2^157273163 is an apocalyptic number.

157273163 is a deficient number, since it is larger than the sum of its proper divisors (1).

157273163 is an equidigital number, since it uses as much as digits as its factorization.

157273163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 35.

The square root of 157273163 is about 12540.8597392683. The cubic root of 157273163 is about 539.7817625214.

The spelling of 157273163 in words is "one hundred fifty-seven million, two hundred seventy-three thousand, one hundred sixty-three".