172413641 has 2 divisors, whose sum is σ = 172413642. Its totient is φ = 172413640.

The previous prime is 172413623. The next prime is 172413653. The reversal of 172413641 is 146314271.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162307600 + 10106041 = 12740^2 + 3179^2 .

It is an emirp because it is prime and its reverse (146314271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172413641 - 2²⁶ = 105304777 is a prime.

It is equal to p_9630533 and since 172413641 and 9630533 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (172413601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86206820 + 86206821.

It is an arithmetic number, because the mean of its divisors is an integer number (86206821).

Almost surely, 2^172413641 is an apocalyptic number.

It is an amenable number.

172413641 is a deficient number, since it is larger than the sum of its proper divisors (1).

172413641 is an equidigital number, since it uses as much as digits as its factorization.

172413641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 172413641 is about 13130.6374940442. The cubic root of 172413641 is about 556.5752299807.

The spelling of 172413641 in words is "one hundred seventy-two million, four hundred thirteen thousand, six hundred forty-one".