197496553 has 2 divisors, whose sum is σ = 197496554. Its totient is φ = 197496552.

The previous prime is 197496539. The next prime is 197496571. The reversal of 197496553 is 355694791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179881744 + 17614809 = 13412^2 + 4197^2 .

It is a cyclic number.

It is not a de Polignac number, because 197496553 - 2⁹ = 197496041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197496497 and 197496506.

It is not a weakly prime, because it can be changed into another prime (197496353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98748276 + 98748277.

It is an arithmetic number, because the mean of its divisors is an integer number (98748277).

Almost surely, 2^197496553 is an apocalyptic number.

It is an amenable number.

197496553 is a deficient number, since it is larger than the sum of its proper divisors (1).

197496553 is an equidigital number, since it uses as much as digits as its factorization.

197496553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 49.

The square root of 197496553 is about 14053.3466832637. The cubic root of 197496553 is about 582.3532542474.

The spelling of 197496553 in words is "one hundred ninety-seven million, four hundred ninety-six thousand, five hundred fifty-three".