198560425 has 48 divisors (see below), whose sum is σ = 307694592. Its totient is φ = 123955200.

The previous prime is 198560423. The next prime is 198560447. The reversal of 198560425 is 524065891.

It is not a de Polignac number, because 198560425 - 2¹ = 198560423 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (198560423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91149 + ... + 93301.

It is an arithmetic number, because the mean of its divisors is an integer number (6410304).

Almost surely, 2^198560425 is an apocalyptic number.

It is an amenable number.

198560425 is a deficient number, since it is larger than the sum of its proper divisors (109134167).

198560425 is a wasteful number, since it uses less digits than its factorization.

198560425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 198560425 is about 14091.1470434454. The cubic root of 198560425 is about 583.3970533568.

The spelling of 198560425 in words is "one hundred ninety-eight million, five hundred sixty thousand, four hundred twenty-five".