197155005 has 8 divisors (see below), whose sum is σ = 315448032. Its totient is φ = 105149328.

The previous prime is 197154977. The next prime is 197155051. The reversal of 197155005 is 500551791.

197155005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 197155005 - 2⁵ = 197154973 is a prime.

It is a congruent 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, 6571819 + ... + 6571848.

It is an arithmetic number, because the mean of its divisors is an integer number (39431004).

Almost surely, 2^197155005 is an apocalyptic number.

197155005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197155005 is a deficient number, since it is larger than the sum of its proper divisors (118293027).

197155005 is a wasteful number, since it uses less digits than its factorization.

197155005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143675.

The product of its (nonzero) digits is 7875, while the sum is 33.

The square root of 197155005 is about 14041.1895863563. The cubic root of 197155005 is about 582.0173557961.

The spelling of 197155005 in words is "one hundred ninety-seven million, one hundred fifty-five thousand, five".