172364271 has 4 divisors (see below), whose sum is σ = 229819032. Its totient is φ = 114909512.

The previous prime is 172364237. The next prime is 172364293. The reversal of 172364271 is 172463271.

172364271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172463271 = 3 ⋅57487757.

It is a cyclic number.

It is not a de Polignac number, because 172364271 - 2¹⁵ = 172331503 is a prime.

It is a super-2 number, since 2×172364271² = 59418883834722882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172364201) 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, 28727376 + ... + 28727381.

It is an arithmetic number, because the mean of its divisors is an integer number (57454758).

Almost surely, 2^172364271 is an apocalyptic number.

172364271 is a deficient number, since it is larger than the sum of its proper divisors (57454761).

172364271 is an equidigital number, since it uses as much as digits as its factorization.

172364271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57454760.

The product of its digits is 14112, while the sum is 33.

The square root of 172364271 is about 13128.7574050250. The cubic root of 172364271 is about 556.5221004987.

The spelling of 172364271 in words is "one hundred seventy-two million, three hundred sixty-four thousand, two hundred seventy-one".