4172025 has 48 divisors (see below), whose sum is σ = 8124480. Its totient is φ = 1862400.

The previous prime is 4171991. The next prime is 4172029. The reversal of 4172025 is 5202714.

4172025 = 264² + 265² + ... + 313².

It is not a de Polignac number, because 4172025 - 2¹³ = 4163833 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 1 + 7⁶ + 2 + 0 + 2²¹ + 5⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 4171992 and 4172010.

It is not an unprimeable number, because it can be changed into a prime (4172029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10531 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

Almost surely, 2^4172025 is an apocalyptic number.

It is an amenable number.

4172025 is a deficient number, since it is larger than the sum of its proper divisors (3952455).

4172025 is a wasteful number, since it uses less digits than its factorization.

4172025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 4172025 is about 2042.5535488696. The cubic root of 4172025 is about 160.9838467391.

Adding to 4172025 its reverse (5202714), we get a palindrome (9374739).

It can be divided in two parts, 417 and 2025, that added together give a palindrome (2442).

The spelling of 4172025 in words is "four million, one hundred seventy-two thousand, twenty-five".