172632413 has 2 divisors, whose sum is σ = 172632414. Its totient is φ = 172632412.

The previous prime is 172632391. The next prime is 172632431. The reversal of 172632413 is 314236271.

It is a happy number.

Together with next prime (172632431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166590649 + 6041764 = 12907^2 + 2458^2 .

It is an emirp because it is prime and its reverse (314236271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172632413 - 2⁶ = 172632349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172632463) 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, 86316206 + 86316207.

It is an arithmetic number, because the mean of its divisors is an integer number (86316207).

Almost surely, 2^172632413 is an apocalyptic number.

It is an amenable number.

172632413 is a deficient number, since it is larger than the sum of its proper divisors (1).

172632413 is an equidigital number, since it uses as much as digits as its factorization.

172632413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 172632413 is about 13138.9654463356. The cubic root of 172632413 is about 556.8105393041.

Adding to 172632413 its reverse (314236271), we get a palindrome (486868684).

The spelling of 172632413 in words is "one hundred seventy-two million, six hundred thirty-two thousand, four hundred thirteen".