172052533 has 2 divisors, whose sum is σ = 172052534. Its totient is φ = 172052532.

The previous prime is 172052527. The next prime is 172052537. The reversal of 172052533 is 335250271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148791204 + 23261329 = 12198^2 + 4823^2 .

It is a cyclic number.

It is not a de Polignac number, because 172052533 - 2⁵ = 172052501 is a prime.

It is a super-2 number, since 2×172052533² = 59204148223432178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172052537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86026266 + 86026267.

It is an arithmetic number, because the mean of its divisors is an integer number (86026267).

Almost surely, 2^172052533 is an apocalyptic number.

It is an amenable number.

172052533 is a deficient number, since it is larger than the sum of its proper divisors (1).

172052533 is an equidigital number, since it uses as much as digits as its factorization.

172052533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 172052533 is about 13116.8796975500. The cubic root of 172052533 is about 556.1863894268.

The spelling of 172052533 in words is "one hundred seventy-two million, fifty-two thousand, five hundred thirty-three".