172322541 has 12 divisors (see below), whose sum is σ = 249032160. Its totient is φ = 114825480.

The previous prime is 172322519. The next prime is 172322551. The reversal of 172322541 is 145223271.

It is not a de Polignac number, because 172322541 - 2¹⁵ = 172289773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172322551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23920 + ... + 30278.

It is an arithmetic number, because the mean of its divisors is an integer number (20752680).

Almost surely, 2^172322541 is an apocalyptic number.

It is an amenable number.

172322541 is a deficient number, since it is larger than the sum of its proper divisors (76709619).

172322541 is a wasteful number, since it uses less digits than its factorization.

172322541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376 (or 9373 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 172322541 is about 13127.1680495071. The cubic root of 172322541 is about 556.4771848838.

The spelling of 172322541 in words is "one hundred seventy-two million, three hundred twenty-two thousand, five hundred forty-one".