4172291 has 4 divisors (see below), whose sum is σ = 4234632. Its totient is φ = 4109952.

The previous prime is 4172279. The next prime is 4172309. The reversal of 4172291 is 1922714.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4172291 - 2¹⁸ = 3910147 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 4172291.

It is not an unprimeable number, because it can be changed into a prime (4175291) 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, 31070 + ... + 31203.

It is an arithmetic number, because the mean of its divisors is an integer number (1058658).

Almost surely, 2^4172291 is an apocalyptic number.

4172291 is a deficient number, since it is larger than the sum of its proper divisors (62341).

4172291 is an equidigital number, since it uses as much as digits as its factorization.

4172291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62340.

The product of its digits is 1008, while the sum is 26.

The square root of 4172291 is about 2042.6186624037. The cubic root of 4172291 is about 160.9872680029.

The spelling of 4172291 in words is "four million, one hundred seventy-two thousand, two hundred ninety-one".