4251525 has 12 divisors (see below), whose sum is σ = 7029312. Its totient is φ = 2267440.

The previous prime is 4251523. The next prime is 4251553. The reversal of 4251525 is 5251524.

It is a happy number.

It is not a de Polignac number, because 4251525 - 2¹ = 4251523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4251495 and 4251504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251523) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 28269 + ... + 28418.

It is an arithmetic number, because the mean of its divisors is an integer number (585776).

Almost surely, 2^4251525 is an apocalyptic number.

It is an amenable number.

4251525 is a deficient number, since it is larger than the sum of its proper divisors (2777787).

4251525 is a wasteful number, since it uses less digits than its factorization.

4251525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56700 (or 56695 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 4251525 is about 2061.9226464637. The cubic root of 4251525 is about 161.9999618960. Note that the first 4 decimals are identical.

Subtracting 4251525 from its reverse (5251524), we obtain a palindrome (999999).

The spelling of 4251525 in words is "four million, two hundred fifty-one thousand, five hundred twenty-five".