172700401 has 2 divisors, whose sum is σ = 172700402. Its totient is φ = 172700400.

The previous prime is 172700383. The next prime is 172700431. The reversal of 172700401 is 104007271.

172700401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162588001 + 10112400 = 12751^2 + 3180^2 .

It is an emirp because it is prime and its reverse (104007271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172700401 - 2¹⁵ = 172667633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172700431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86350200 + 86350201.

It is an arithmetic number, because the mean of its divisors is an integer number (86350201).

Almost surely, 2^172700401 is an apocalyptic number.

It is an amenable number.

172700401 is a deficient number, since it is larger than the sum of its proper divisors (1).

172700401 is an equidigital number, since it uses as much as digits as its factorization.

172700401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 172700401 is about 13141.5524577578. The cubic root of 172700401 is about 556.8836261319.

Adding to 172700401 its reverse (104007271), we get a palindrome (276707672).

The spelling of 172700401 in words is "one hundred seventy-two million, seven hundred thousand, four hundred one".