198377425 has 12 divisors (see below), whose sum is σ = 246162816. Its totient is φ = 158589200.

The previous prime is 198377407. The next prime is 198377441. The reversal of 198377425 is 524773891.

It is not a de Polignac number, because 198377425 - 2¹⁷ = 198246353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66312 + ... + 69238.

It is an arithmetic number, because the mean of its divisors is an integer number (20513568).

Almost surely, 2^198377425 is an apocalyptic number.

It is an amenable number.

198377425 is a deficient number, since it is larger than the sum of its proper divisors (47785391).

198377425 is a wasteful number, since it uses less digits than its factorization.

198377425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648 (or 5643 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 198377425 is about 14084.6521078797. The cubic root of 198377425 is about 583.2177721196.

The spelling of 198377425 in words is "one hundred ninety-eight million, three hundred seventy-seven thousand, four hundred twenty-five".