4250425 has 24 divisors (see below), whose sum is σ = 5698296. Its totient is φ = 3133440.

The previous prime is 4250387. The next prime is 4250431. The reversal of 4250425 is 5240524.

It can be written as a sum of positive squares in 12 ways, for example, as 393129 + 3857296 = 627^2 + 1964^2 .

It is not a de Polignac number, because 4250425 - 2⁹ = 4249913 is a prime.

It is a super-2 number, since 2×4250425² = 36132225361250, which contains 22 as substring.

It is a Duffinian number.

4250425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4250396 and 4250405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30957 + ... + 31093.

It is an arithmetic number, because the mean of its divisors is an integer number (237429).

Almost surely, 2^4250425 is an apocalyptic number.

It is an amenable number.

4250425 is a deficient number, since it is larger than the sum of its proper divisors (1447871).

4250425 is a wasteful number, since it uses less digits than its factorization.

4250425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4250425 is about 2061.6558878727. The cubic root of 4250425 is about 161.9859892369.

Adding to 4250425 its reverse (5240524), we get a palindrome (9490949).

Subtracting 4250425 from its reverse (5240524), we obtain a palindrome (990099).

The spelling of 4250425 in words is "four million, two hundred fifty thousand, four hundred twenty-five".