194712533 has 2 divisors, whose sum is σ = 194712534. Its totient is φ = 194712532.

The previous prime is 194712523. The next prime is 194712541. The reversal of 194712533 is 335217491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178008964 + 16703569 = 13342^2 + 4087^2 .

It is a cyclic number.

It is not a de Polignac number, because 194712533 - 2¹⁴ = 194696149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194712493 and 194712502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194712523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97356266 + 97356267.

It is an arithmetic number, because the mean of its divisors is an integer number (97356267).

Almost surely, 2^194712533 is an apocalyptic number.

It is an amenable number.

194712533 is a deficient number, since it is larger than the sum of its proper divisors (1).

194712533 is an equidigital number, since it uses as much as digits as its factorization.

194712533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 194712533 is about 13953.9432777979. The cubic root of 194712533 is about 579.6039041520.

The spelling of 194712533 in words is "one hundred ninety-four million, seven hundred twelve thousand, five hundred thirty-three".