3172421097 has 6 divisors (see below), whose sum is σ = 4582386042. Its totient is φ = 2114947392.

The previous prime is 3172421069. The next prime is 3172421101. The reversal of 3172421097 is 7901242713.

3172421097 is a `hidden beast` number, since 317 + 242 + 10 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3138128361 + 34292736 = 56019^2 + 5856^2 .

It is not a de Polignac number, because 3172421097 - 2¹⁴ = 3172404713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3172421297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176245608 + ... + 176245625.

It is an arithmetic number, because the mean of its divisors is an integer number (763731007).

Almost surely, 2^3172421097 is an apocalyptic number.

It is an amenable number.

3172421097 is a deficient number, since it is larger than the sum of its proper divisors (1409964945).

3172421097 is a wasteful number, since it uses less digits than its factorization.

3172421097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352491239 (or 352491236 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 3172421097 is about 56324.2496354812. The cubic root of 3172421097 is about 1469.3669813675.

The spelling of 3172421097 in words is "three billion, one hundred seventy-two million, four hundred twenty-one thousand, ninety-seven".