172413811 has 4 divisors (see below), whose sum is σ = 172454800. Its totient is φ = 172372824.

The previous prime is 172413653. The next prime is 172413817. The reversal of 172413811 is 118314271.

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 172413811 - 2²³ = 164025203 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 172413811.

It is not an unprimeable number, because it can be changed into a prime (172413817) 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, 13356 + ... + 22873.

It is an arithmetic number, because the mean of its divisors is an integer number (43113700).

Almost surely, 2^172413811 is an apocalyptic number.

172413811 is a deficient number, since it is larger than the sum of its proper divisors (40989).

172413811 is an equidigital number, since it uses as much as digits as its factorization.

172413811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40988.

The product of its digits is 1344, while the sum is 28.

The square root of 172413811 is about 13130.6439674526. The cubic root of 172413811 is about 556.5754129085.

The spelling of 172413811 in words is "one hundred seventy-two million, four hundred thirteen thousand, eight hundred eleven".