172441013 has 4 divisors (see below), whose sum is σ = 182584620. Its totient is φ = 162297408.

The previous prime is 172441007. The next prime is 172441021. The reversal of 172441013 is 310144271.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310144271 = 10163 ⋅30517.

It can be written as a sum of positive squares in 2 ways, for example, as 159314884 + 13126129 = 12622^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 172441013 - 2⁶ = 172440949 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 172441013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172441033) 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, 5071778 + ... + 5071811.

It is an arithmetic number, because the mean of its divisors is an integer number (45646155).

Almost surely, 2^172441013 is an apocalyptic number.

It is an amenable number.

172441013 is a deficient number, since it is larger than the sum of its proper divisors (10143607).

172441013 is a wasteful number, since it uses less digits than its factorization.

172441013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143606.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 172441013 is about 13131.6797478464. The cubic root of 172441013 is about 556.6046819641.

Adding to 172441013 its reverse (310144271), we get a palindrome (482585284).

The spelling of 172441013 in words is "one hundred seventy-two million, four hundred forty-one thousand, thirteen".