4252816 has 20 divisors (see below), whose sum is σ = 8297212. Its totient is φ = 2111616.

The previous prime is 4252813. The next prime is 4252819. The reversal of 4252816 is 6182524.

It is an interprime number because it is at equal distance from previous prime (4252813) and next prime (4252819).

It can be written as a sum of positive squares in 2 ways, for example, as 1430416 + 2822400 = 1196^2 + 1680^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4252813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 3358.

Almost surely, 2^4252816 is an apocalyptic number.

It is an amenable number.

4252816 is a deficient number, since it is larger than the sum of its proper divisors (4044396).

4252816 is a wasteful number, since it uses less digits than its factorization.

4252816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1852 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 4252816 is about 2062.2356800327. The cubic root of 4252816 is about 162.0163576431.

The spelling of 4252816 in words is "four million, two hundred fifty-two thousand, eight hundred sixteen".