172361153 has 2 divisors, whose sum is σ = 172361154. Its totient is φ = 172361152.

The previous prime is 172361129. The next prime is 172361177. The reversal of 172361153 is 351163271.

It is a balanced prime because it is at equal distance from previous prime (172361129) and next prime (172361177).

It can be written as a sum of positive squares in only one way, i.e., 92294449 + 80066704 = 9607^2 + 8948^2 .

It is a cyclic number.

It is not a de Polignac number, because 172361153 - 2⁸ = 172360897 is a prime.

It is a super-4 number, since 4×172361153⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (172361653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86180576 + 86180577.

It is an arithmetic number, because the mean of its divisors is an integer number (86180577).

Almost surely, 2^172361153 is an apocalyptic number.

It is an amenable number.

172361153 is a deficient number, since it is larger than the sum of its proper divisors (1).

172361153 is an equidigital number, since it uses as much as digits as its factorization.

172361153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 172361153 is about 13128.6386575303. The cubic root of 172361153 is about 556.5187447252.

The spelling of 172361153 in words is "one hundred seventy-two million, three hundred sixty-one thousand, one hundred fifty-three".