197481567 has 8 divisors (see below), whose sum is σ = 263477680. Its totient is φ = 131569920.

The previous prime is 197481547. The next prime is 197481569. The reversal of 197481567 is 765184791.

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

It is not a de Polignac number, because 197481567 - 2²⁴ = 180704351 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 (197481569) 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, 15442 + ... + 25167.

It is an arithmetic number, because the mean of its divisors is an integer number (32934710).

Almost surely, 2^197481567 is an apocalyptic number.

197481567 is a deficient number, since it is larger than the sum of its proper divisors (65996113).

197481567 is a wasteful number, since it uses less digits than its factorization.

197481567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42233.

The product of its digits is 423360, while the sum is 48.

The square root of 197481567 is about 14052.8134905435. The cubic root of 197481567 is about 582.3385242576.

The spelling of 197481567 in words is "one hundred ninety-seven million, four hundred eighty-one thousand, five hundred sixty-seven".