189255701 has 2 divisors, whose sum is σ = 189255702. Its totient is φ = 189255700.

The previous prime is 189255691. The next prime is 189255709. The reversal of 189255701 is 107552981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177688900 + 11566801 = 13330^2 + 3401^2 .

It is a cyclic number.

It is not a de Polignac number, because 189255701 - 2²⁶ = 122146837 is a prime.

It is a super-2 number, since 2×189255701² = 71635440722002802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189255709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94627850 + 94627851.

It is an arithmetic number, because the mean of its divisors is an integer number (94627851).

Almost surely, 2^189255701 is an apocalyptic number.

It is an amenable number.

189255701 is a deficient number, since it is larger than the sum of its proper divisors (1).

189255701 is an equidigital number, since it uses as much as digits as its factorization.

189255701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 189255701 is about 13757.0236970066. The cubic root of 189255701 is about 574.1380416012.

The spelling of 189255701 in words is "one hundred eighty-nine million, two hundred fifty-five thousand, seven hundred one".