198520703 has 2 divisors, whose sum is σ = 198520704. Its totient is φ = 198520702.

The previous prime is 198520687. The next prime is 198520711. The reversal of 198520703 is 307025891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198520703 - 2⁴ = 198520687 is a prime.

It is a super-2 number, since 2×198520703² = 78820939039228418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198520733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99260351 + 99260352.

It is an arithmetic number, because the mean of its divisors is an integer number (99260352).

Almost surely, 2^198520703 is an apocalyptic number.

198520703 is a deficient number, since it is larger than the sum of its proper divisors (1).

198520703 is an equidigital number, since it uses as much as digits as its factorization.

198520703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 198520703 is about 14089.7375064264. The cubic root of 198520703 is about 583.3581479149.

The spelling of 198520703 in words is "one hundred ninety-eight million, five hundred twenty thousand, seven hundred three".