197056453 has 8 divisors (see below), whose sum is σ = 217999296. Its totient is φ = 176618400.

The previous prime is 197056441. The next prime is 197056459. The reversal of 197056453 is 354650791.

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 197056453 - 2²¹ = 194959301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197056459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 125376 + ... + 126937.

It is an arithmetic number, because the mean of its divisors is an integer number (27249912).

Almost surely, 2^197056453 is an apocalyptic number.

It is an amenable number.

197056453 is a deficient number, since it is larger than the sum of its proper divisors (20942843).

197056453 is a wasteful number, since it uses less digits than its factorization.

197056453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252395.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 197056453 is about 14037.6797584216. The cubic root of 197056453 is about 581.9203618354.

The spelling of 197056453 in words is "one hundred ninety-seven million, fifty-six thousand, four hundred fifty-three".