172252061 has 2 divisors, whose sum is σ = 172252062. Its totient is φ = 172252060.

The previous prime is 172252051. The next prime is 172252097. The reversal of 172252061 is 160252271.

172252061 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., 99900025 + 72352036 = 9995^2 + 8506^2 .

It is a cyclic number.

It is not a de Polignac number, because 172252061 - 2¹⁴ = 172235677 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172252061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172252001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86126030 + 86126031.

It is an arithmetic number, because the mean of its divisors is an integer number (86126031).

Almost surely, 2^172252061 is an apocalyptic number.

It is an amenable number.

172252061 is a deficient number, since it is larger than the sum of its proper divisors (1).

172252061 is an equidigital number, since it uses as much as digits as its factorization.

172252061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 172252061 is about 13124.4832660185. The cubic root of 172252061 is about 556.4013080619.

The spelling of 172252061 in words is "one hundred seventy-two million, two hundred fifty-two thousand, sixty-one".