197323411625 has 8 divisors (see below), whose sum is σ = 246259617864. Its totient is φ = 157858729200.

The previous prime is 197323411603. The next prime is 197323411643. The reversal of 197323411625 is 526114323791.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25240312384 + 172083099241 = 158872^2 + 414829^2 .

It is not a de Polignac number, because 197323411625 - 2¹² = 197323407529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789293522 + ... + 789293771.

It is an arithmetic number, because the mean of its divisors is an integer number (30782452233).

Almost surely, 2^197323411625 is an apocalyptic number.

It is an amenable number.

197323411625 is a deficient number, since it is larger than the sum of its proper divisors (48936206239).

197323411625 is an equidigital number, since it uses as much as digits as its factorization.

197323411625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578587308 (or 1578587298 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The spelling of 197323411625 in words is "one hundred ninety-seven billion, three hundred twenty-three million, four hundred eleven thousand, six hundred twenty-five".