4249575 has 72 divisors (see below), whose sum is σ = 8878896. Its totient is φ = 1920000.

The previous prime is 4249571. The next prime is 4249577. The reversal of 4249575 is 5759424.

4249575 is a `hidden beast` number, since 42 + 49 + 575 = 666.

4249575 is a nontrivial binomial coefficient, being equal to C(102, 4).

It is not a de Polignac number, because 4249575 - 2² = 4249571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42025 + ... + 42125.

It is an arithmetic number, because the mean of its divisors is an integer number (123318).

Almost surely, 2^4249575 is an apocalyptic number.

4249575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4249575 is an abundant number, since it is smaller than the sum of its proper divisors (4629321).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4249575 is a wasteful number, since it uses less digits than its factorization.

4249575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 137 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 4249575 is about 2061.4497325911. The cubic root of 4249575 is about 161.9751905309.

It can be divided in two parts, 424 and 9575, that added together give a palindrome (9999).

The spelling of 4249575 in words is "four million, two hundred forty-nine thousand, five hundred seventy-five".