4021252 has 6 divisors (see below), whose sum is σ = 7037198. Its totient is φ = 2010624.

The previous prime is 4021249. The next prime is 4021261. The reversal of 4021252 is 2521204.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 802816 = 1794^2 + 896^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502653 + ... + 502660.

Almost surely, 2^4021252 is an apocalyptic number.

It is an amenable number.

4021252 is a deficient number, since it is larger than the sum of its proper divisors (3015946).

4021252 is a wasteful number, since it uses less digits than its factorization.

4021252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005317 (or 1005315 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4021252 is about 2005.3059616926. The cubic root of 4021252 is about 159.0207375085.

Adding to 4021252 its reverse (2521204), we get a palindrome (6542456).

The spelling of 4021252 in words is "four million, twenty-one thousand, two hundred fifty-two".