172053369 has 8 divisors (see below), whose sum is σ = 254893920. Its totient is φ = 114702228.

The previous prime is 172053361. The next prime is 172053383. The reversal of 172053369 is 963350271.

It is not a de Polignac number, because 172053369 - 2³ = 172053361 is a prime.

It is a super-2 number, since 2×172053369² = 59204723568500322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172053361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3186147 + ... + 3186200.

It is an arithmetic number, because the mean of its divisors is an integer number (31861740).

Almost surely, 2^172053369 is an apocalyptic number.

It is an amenable number.

172053369 is a deficient number, since it is larger than the sum of its proper divisors (82840551).

172053369 is an equidigital number, since it uses as much as digits as its factorization.

172053369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372356 (or 6372350 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 172053369 is about 13116.9115648464. The cubic root of 172053369 is about 556.1872902584.

The spelling of 172053369 in words is "one hundred seventy-two million, fifty-three thousand, three hundred sixty-nine".