197008431 has 8 divisors (see below), whose sum is σ = 262746240. Its totient is φ = 131304792.

The previous prime is 197008429. The next prime is 197008433. The reversal of 197008431 is 134800791.

It is an interprime number because it is at equal distance from previous prime (197008429) and next prime (197008433).

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

It is not a de Polignac number, because 197008431 - 2¹ = 197008429 is a prime.

It is a super-5 number, since 5×197008431⁵ (a number of 43 digits) contains 55555 as substring. Note that it is a super-d number also for d = 4, 2.

It is a junction number, because it is equal to n+sod(n) for n = 197008392 and 197008401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197008433) by changing a digit.

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, 11910 + ... + 23148.

It is an arithmetic number, because the mean of its divisors is an integer number (32843280).

Almost surely, 2^197008431 is an apocalyptic number.

197008431 is a deficient number, since it is larger than the sum of its proper divisors (65737809).

197008431 is a wasteful number, since it uses less digits than its factorization.

197008431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17085.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 197008431 is about 14035.9691863441. The cubic root of 197008431 is about 581.8730873115.

The spelling of 197008431 in words is "one hundred ninety-seven million, eight thousand, four hundred thirty-one".