4252425 has 36 divisors (see below), whose sum is σ = 7387920. Its totient is φ = 2157600.

The previous prime is 4252421. The next prime is 4252433. The reversal of 4252425 is 5242524.

It is a happy number.

It is not a de Polignac number, because 4252425 - 2² = 4252421 is a prime.

4252425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4252395 and 4252404.

It is not an unprimeable number, because it can be changed into a prime (4252421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72046 + ... + 72104.

It is an arithmetic number, because the mean of its divisors is an integer number (205220).

Almost surely, 2^4252425 is an apocalyptic number.

It is an amenable number.

4252425 is a deficient number, since it is larger than the sum of its proper divisors (3135495).

4252425 is a wasteful number, since it uses less digits than its factorization.

4252425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 98 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 4252425 is about 2062.1408778258. The cubic root of 4252425 is about 162.0113922792.

Adding to 4252425 its reverse (5242524), we get a palindrome (9494949).

Subtracting 4252425 from its reverse (5242524), we obtain a palindrome (990099).

It can be divided in two parts, 425 and 2425, that added together give a triangular number (2850 = T₇₅).

The spelling of 4252425 in words is "four million, two hundred fifty-two thousand, four hundred twenty-five".