182001401 has 2 divisors, whose sum is σ = 182001402. Its totient is φ = 182001400.

The previous prime is 182001389. The next prime is 182001427. The reversal of 182001401 is 104100281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164994025 + 17007376 = 12845^2 + 4124^2 .

It is an emirp because it is prime and its reverse (104100281) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-182001401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 182001401.

It is not a weakly prime, because it can be changed into another prime (182001481) 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, 91000700 + 91000701.

It is an arithmetic number, because the mean of its divisors is an integer number (91000701).

Almost surely, 2^182001401 is an apocalyptic number.

It is an amenable number.

182001401 is a deficient number, since it is larger than the sum of its proper divisors (1).

182001401 is an equidigital number, since it uses as much as digits as its factorization.

182001401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 182001401 is about 13490.7894876467. The cubic root of 182001401 is about 566.7065649339.

Adding to 182001401 its reverse (104100281), we get a palindrome (286101682).

The spelling of 182001401 in words is "one hundred eighty-two million, one thousand, four hundred one".