174985493 has 2 divisors, whose sum is σ = 174985494. Its totient is φ = 174985492.

The previous prime is 174985457. The next prime is 174985529. The reversal of 174985493 is 394589471.

It is a balanced prime because it is at equal distance from previous prime (174985457) and next prime (174985529).

It can be written as a sum of positive squares in only one way, i.e., 159946609 + 15038884 = 12647^2 + 3878^2 .

It is a cyclic number.

It is not a de Polignac number, because 174985493 - 2¹⁶ = 174919957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (174985693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87492746 + 87492747.

It is an arithmetic number, because the mean of its divisors is an integer number (87492747).

Almost surely, 2^174985493 is an apocalyptic number.

It is an amenable number.

174985493 is a deficient number, since it is larger than the sum of its proper divisors (1).

174985493 is an equidigital number, since it uses as much as digits as its factorization.

174985493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 174985493 is about 13228.2082308981. The cubic root of 174985493 is about 559.3290145941.

The spelling of 174985493 in words is "one hundred seventy-four million, nine hundred eighty-five thousand, four hundred ninety-three".