182742881 has 2 divisors, whose sum is σ = 182742882. Its totient is φ = 182742880.

The previous prime is 182742851. The next prime is 182742919. The reversal of 182742881 is 188247281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 67502656 = 10735^2 + 8216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-182742881 is a prime.

It is a super-2 number, since 2×182742881² = 66789921112360322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (182742821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91371440 + 91371441.

It is an arithmetic number, because the mean of its divisors is an integer number (91371441).

Almost surely, 2^182742881 is an apocalyptic number.

It is an amenable number.

182742881 is a deficient number, since it is larger than the sum of its proper divisors (1).

182742881 is an equidigital number, since it uses as much as digits as its factorization.

182742881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 41.

The square root of 182742881 is about 13518.2425263050. The cubic root of 182742881 is about 567.4751162215.

The spelling of 182742881 in words is "one hundred eighty-two million, seven hundred forty-two thousand, eight hundred eighty-one".