172250641 has 8 divisors (see below), whose sum is σ = 176052968. Its totient is φ = 168480000.

The previous prime is 172250627. The next prime is 172250669. The reversal of 172250641 is 146052271.

It can be written as a sum of positive squares in 4 ways, for example, as 90000 + 172160641 = 300^2 + 13121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172250641 - 2⁷ = 172250513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172251641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241 + ... + 18841.

It is an arithmetic number, because the mean of its divisors is an integer number (22006621).

Almost surely, 2^172250641 is an apocalyptic number.

It is an amenable number.

172250641 is a deficient number, since it is larger than the sum of its proper divisors (3802327).

172250641 is a wasteful number, since it uses less digits than its factorization.

172250641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 172250641 is about 13124.4291685391. The cubic root of 172250641 is about 556.3997791164.

The spelling of 172250641 in words is "one hundred seventy-two million, two hundred fifty thousand, six hundred forty-one".