198451325 has 6 divisors (see below), whose sum is σ = 246079674. Its totient is φ = 158761040.

The previous prime is 198451301. The next prime is 198451339. The reversal of 198451325 is 523154891.

It is a happy number.

198451325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 11363641 + 187087684 = 3371^2 + 13678^2 .

It is not a de Polignac number, because 198451325 - 2⁸ = 198451069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3969002 + ... + 3969051.

It is an arithmetic number, because the mean of its divisors is an integer number (41013279).

Almost surely, 2^198451325 is an apocalyptic number.

It is an amenable number.

198451325 is a deficient number, since it is larger than the sum of its proper divisors (47628349).

198451325 is an equidigital number, since it uses as much as digits as its factorization.

198451325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938063 (or 7938058 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 198451325 is about 14087.2752865840. The cubic root of 198451325 is about 583.2901836563.

The spelling of 198451325 in words is "one hundred ninety-eight million, four hundred fifty-one thousand, three hundred twenty-five".