172484471 has 2 divisors, whose sum is σ = 172484472. Its totient is φ = 172484470.

The previous prime is 172484461. The next prime is 172484503. The reversal of 172484471 is 174484271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172484471 - 2²² = 168290167 is a prime.

It is a super-3 number, since 3×172484471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172484461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86242235 + 86242236.

It is an arithmetic number, because the mean of its divisors is an integer number (86242236).

Almost surely, 2^172484471 is an apocalyptic number.

172484471 is a deficient number, since it is larger than the sum of its proper divisors (1).

172484471 is an equidigital number, since it uses as much as digits as its factorization.

172484471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The square root of 172484471 is about 13133.3343443316. The cubic root of 172484471 is about 556.6514359122.

The spelling of 172484471 in words is "one hundred seventy-two million, four hundred eighty-four thousand, four hundred seventy-one".