981475193 has 2 divisors, whose sum is σ = 981475194. Its totient is φ = 981475192.

The previous prime is 981475189. The next prime is 981475211. The reversal of 981475193 is 391574189.

981475193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 930738064 + 50737129 = 30508^2 + 7123^2 .

It is a cyclic number.

It is not a de Polignac number, because 981475193 - 2² = 981475189 is a prime.

It is not a weakly prime, because it can be changed into another prime (981475493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490737596 + 490737597.

It is an arithmetic number, because the mean of its divisors is an integer number (490737597).

Almost surely, 2^981475193 is an apocalyptic number.

It is an amenable number.

981475193 is a deficient number, since it is larger than the sum of its proper divisors (1).

981475193 is an equidigital number, since it uses as much as digits as its factorization.

981475193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 47.

The square root of 981475193 is about 31328.5044807440. The cubic root of 981475193 is about 993.7865371743.

The spelling of 981475193 in words is "nine hundred eighty-one million, four hundred seventy-five thousand, one hundred ninety-three".