4219025 has 6 divisors (see below), whose sum is σ = 5231622. Its totient is φ = 3375200.

The previous prime is 4219013. The next prime is 4219027. The reversal of 4219025 is 5209124.

It can be written as a sum of positive squares in 3 ways, for example, as 61504 + 4157521 = 248^2 + 2039^2 .

It is not a de Polignac number, because 4219025 - 2⁶ = 4218961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4219027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84356 + ... + 84405.

It is an arithmetic number, because the mean of its divisors is an integer number (871937).

Almost surely, 2^4219025 is an apocalyptic number.

It is an amenable number.

4219025 is a deficient number, since it is larger than the sum of its proper divisors (1012597).

4219025 is a wasteful number, since it uses less digits than its factorization.

4219025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168771 (or 168766 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4219025 is about 2054.0265334216. The cubic root of 4219025 is about 161.5861126067.

Subtracting 4219025 from its reverse (5209124), we obtain a palindrome (990099).

The spelling of 4219025 in words is "four million, two hundred nineteen thousand, twenty-five".