172412625 has 96 divisors (see below), whose sum is σ = 364500864. Its totient is φ = 71568000.

The previous prime is 172412609. The next prime is 172412651. The reversal of 172412625 is 526214271.

172412625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172412625 - 2⁴ = 172412609 is a prime.

It is a super-2 number, since 2×172412625² = 59452226518781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172412592 and 172412601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 201699 + ... + 202551.

It is an arithmetic number, because the mean of its divisors is an integer number (3796884).

Almost surely, 2^172412625 is an apocalyptic number.

172412625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172412625 is an abundant number, since it is smaller than the sum of its proper divisors (192088239).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172412625 is a wasteful number, since it uses less digits than its factorization.

172412625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 879 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 172412625 is about 13130.5988058428. The cubic root of 172412625 is about 556.5741367154.

Adding to 172412625 its reverse (526214271), we get a palindrome (698626896).

The spelling of 172412625 in words is "one hundred seventy-two million, four hundred twelve thousand, six hundred twenty-five".