172471541 has 8 divisors (see below), whose sum is σ = 193236384. Its totient is φ = 152554320.

The previous prime is 172471513. The next prime is 172471547. The reversal of 172471541 is 145174271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172471541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172471498 and 172471507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172471547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211475 + ... + 212288.

It is an arithmetic number, because the mean of its divisors is an integer number (24154548).

Almost surely, 2^172471541 is an apocalyptic number.

172471541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

172471541 is a deficient number, since it is larger than the sum of its proper divisors (20764843).

172471541 is a wasteful number, since it uses less digits than its factorization.

172471541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423811.

The product of its digits is 7840, while the sum is 32.

The square root of 172471541 is about 13132.8420762606. The cubic root of 172471541 is about 556.6375260940.

The spelling of 172471541 in words is "one hundred seventy-two million, four hundred seventy-one thousand, five hundred forty-one".