197072485 has 8 divisors (see below), whose sum is σ = 236797560. Its totient is φ = 157450944.

The previous prime is 197072453. The next prime is 197072501. The reversal of 197072485 is 584270791.

It can be written as a sum of positive squares in 4 ways, for example, as 1044484 + 196028001 = 1022^2 + 14001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197072485 - 2⁵ = 197072453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21630 + ... + 29359.

It is an arithmetic number, because the mean of its divisors is an integer number (29599695).

Almost surely, 2^197072485 is an apocalyptic number.

It is an amenable number.

197072485 is a deficient number, since it is larger than the sum of its proper divisors (39725075).

197072485 is an equidigital number, since it uses as much as digits as its factorization.

197072485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51767.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 197072485 is about 14038.2507813474. The cubic root of 197072485 is about 581.9361425826.

The spelling of 197072485 in words is "one hundred ninety-seven million, seventy-two thousand, four hundred eighty-five".