197550825 has 12 divisors (see below), whose sum is σ = 326617488. Its totient is φ = 105360400.

The previous prime is 197550811. The next prime is 197550839. The reversal of 197550825 is 528055791.

It is an interprime number because it is at equal distance from previous prime (197550811) and next prime (197550839).

It is not a de Polignac number, because 197550825 - 2⁹ = 197550313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1316931 + ... + 1317080.

It is an arithmetic number, because the mean of its divisors is an integer number (27218124).

Almost surely, 2^197550825 is an apocalyptic number.

197550825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197550825 is a deficient number, since it is larger than the sum of its proper divisors (129066663).

197550825 is a wasteful number, since it uses less digits than its factorization.

197550825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634024 (or 2634019 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 197550825 is about 14055.2774785843. The cubic root of 197550825 is about 582.4065928681.

The spelling of 197550825 in words is "one hundred ninety-seven million, five hundred fifty thousand, eight hundred twenty-five".