172752031 has 2 divisors, whose sum is σ = 172752032. Its totient is φ = 172752030.

The previous prime is 172752023. The next prime is 172752067. The reversal of 172752031 is 130257271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172752031 - 2³ = 172752023 is a prime.

It is a super-2 number, since 2×172752031² = 59686528429249922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172758031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86376015 + 86376016.

It is an arithmetic number, because the mean of its divisors is an integer number (86376016).

Almost surely, 2^172752031 is an apocalyptic number.

172752031 is a deficient number, since it is larger than the sum of its proper divisors (1).

172752031 is an equidigital number, since it uses as much as digits as its factorization.

172752031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 172752031 is about 13143.5166907491. The cubic root of 172752031 is about 556.9391153621.

It can be divided in two parts, 17275 and 2031, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 172752031 in words is "one hundred seventy-two million, seven hundred fifty-two thousand, thirty-one".