188075401 has 2 divisors, whose sum is σ = 188075402. Its totient is φ = 188075400.

The previous prime is 188075359. The next prime is 188075413. The reversal of 188075401 is 104570881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137452176 + 50623225 = 11724^2 + 7115^2 .

It is a cyclic number.

It is not a de Polignac number, because 188075401 - 2²⁷ = 53857673 is a prime.

It is a super-2 number, since 2×188075401² = 70744712922621602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (188075441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94037700 + 94037701.

It is an arithmetic number, because the mean of its divisors is an integer number (94037701).

Almost surely, 2^188075401 is an apocalyptic number.

It is an amenable number.

188075401 is a deficient number, since it is larger than the sum of its proper divisors (1).

188075401 is an equidigital number, since it uses as much as digits as its factorization.

188075401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 188075401 is about 13714.0585167193. The cubic root of 188075401 is about 572.9420075788.

The spelling of 188075401 in words is "one hundred eighty-eight million, seventy-five thousand, four hundred one".