172252799 has 4 divisors (see below), whose sum is σ = 172353480. Its totient is φ = 172152120.

The previous prime is 172252783. The next prime is 172252811. The reversal of 172252799 is 997252271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172252799 - 2⁴ = 172252783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172242799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47729 + ... + 51210.

It is an arithmetic number, because the mean of its divisors is an integer number (43088370).

Almost surely, 2^172252799 is an apocalyptic number.

172252799 is a deficient number, since it is larger than the sum of its proper divisors (100681).

172252799 is an equidigital number, since it uses as much as digits as its factorization.

172252799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100680.

The product of its digits is 158760, while the sum is 44.

The square root of 172252799 is about 13124.5113813810. The cubic root of 172252799 is about 556.4021026795.

The spelling of 172252799 in words is "one hundred seventy-two million, two hundred fifty-two thousand, seven hundred ninety-nine".