198520733 has 2 divisors, whose sum is σ = 198520734. Its totient is φ = 198520732.

The previous prime is 198520727. The next prime is 198520739. The reversal of 198520733 is 337025891.

It is a balanced prime because it is at equal distance from previous prime (198520727) and next prime (198520739).

It can be written as a sum of positive squares in only one way, i.e., 182304004 + 16216729 = 13502^2 + 4027^2 .

It is a cyclic number.

It is not a de Polignac number, because 198520733 - 2⁴ = 198520717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198520739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99260366 + 99260367.

It is an arithmetic number, because the mean of its divisors is an integer number (99260367).

Almost surely, 2^198520733 is an apocalyptic number.

It is an amenable number.

198520733 is a deficient number, since it is larger than the sum of its proper divisors (1).

198520733 is an equidigital number, since it uses as much as digits as its factorization.

198520733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 198520733 is about 14089.7385710310. The cubic root of 198520733 is about 583.3581773002.

The spelling of 198520733 in words is "one hundred ninety-eight million, five hundred twenty thousand, seven hundred thirty-three".