197100553 has 8 divisors (see below), whose sum is σ = 212529800. Its totient is φ = 181709568.

The previous prime is 197100523. The next prime is 197100569. The reversal of 197100553 is 355001791.

197100553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 5732-nd star number.

It can be written as a sum of positive squares in 4 ways, for example, as 57198969 + 139901584 = 7563^2 + 11828^2 .

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 197100553 - 2¹³ = 197092361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197100523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 19921.

It is an arithmetic number, because the mean of its divisors is an integer number (26566225).

Almost surely, 2^197100553 is an apocalyptic number.

197100553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

197100553 is a deficient number, since it is larger than the sum of its proper divisors (15429247).

197100553 is a wasteful number, since it uses less digits than its factorization.

197100553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19131.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 197100553 is about 14039.2504429546. The cubic root of 197100553 is about 581.9637686416.

The spelling of 197100553 in words is "one hundred ninety-seven million, one hundred thousand, five hundred fifty-three".