95172391 has 4 divisors (see below), whose sum is σ = 95194552. Its totient is φ = 95150232.

The previous prime is 95172323. The next prime is 95172397. The reversal of 95172391 is 19327159.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19327159 = 293 ⋅65963.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-95172391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 95172391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95172397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (23798638).

Almost surely, 2^95172391 is an apocalyptic number.

95172391 is a deficient number, since it is larger than the sum of its proper divisors (22161).

95172391 is a wasteful number, since it uses less digits than its factorization.

95172391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22160.

The product of its digits is 17010, while the sum is 37.

The square root of 95172391 is about 9755.6338082156. The cubic root of 95172391 is about 456.5660979338.

The spelling of 95172391 in words is "ninety-five million, one hundred seventy-two thousand, three hundred ninety-one".