4217925 has 12 divisors (see below), whose sum is σ = 6973760. Its totient is φ = 2249520.

The previous prime is 4217923. The next prime is 4217929. The reversal of 4217925 is 5297124.

It is not a de Polignac number, because 4217925 - 2¹ = 4217923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4217892 and 4217901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4217923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28045 + ... + 28194.

Almost surely, 2^4217925 is an apocalyptic number.

It is an amenable number.

4217925 is a deficient number, since it is larger than the sum of its proper divisors (2755835).

4217925 is a wasteful number, since it uses less digits than its factorization.

4217925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56252 (or 56247 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 4217925 is about 2053.7587492206. The cubic root of 4217925 is about 161.5720682739.

The spelling of 4217925 in words is "four million, two hundred seventeen thousand, nine hundred twenty-five".