172454425 has 24 divisors (see below), whose sum is σ = 251233920. Its totient is φ = 115771200.

The previous prime is 172454423. The next prime is 172454479. The reversal of 172454425 is 524454271.

It is not a de Polignac number, because 172454425 - 2¹ = 172454423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172454423) 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 23 ways as a sum of consecutive naturals, for example, 20545 + ... + 27694.

It is an arithmetic number, because the mean of its divisors is an integer number (10468080).

Almost surely, 2^172454425 is an apocalyptic number.

It is an amenable number.

172454425 is a deficient number, since it is larger than the sum of its proper divisors (78779495).

172454425 is a wasteful number, since it uses less digits than its factorization.

172454425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48273 (or 48268 counting only the distinct ones).

The product of its digits is 44800, while the sum is 34.

The square root of 172454425 is about 13132.1904113518. The cubic root of 172454425 is about 556.6191119969.

The spelling of 172454425 in words is "one hundred seventy-two million, four hundred fifty-four thousand, four hundred twenty-five".