4540252 has 6 divisors (see below), whose sum is σ = 7945448. Its totient is φ = 2270124.

The previous prime is 4540231. The next prime is 4540303. The reversal of 4540252 is 2520454.

It is a super-2 number, since 2×4540252² = 41227776447008, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 567528 + ... + 567535.

Almost surely, 2^4540252 is an apocalyptic number.

It is an amenable number.

4540252 is a deficient number, since it is larger than the sum of its proper divisors (3405196).

4540252 is a wasteful number, since it uses less digits than its factorization.

4540252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135067 (or 1135065 counting only the distinct ones).

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

The square root of 4540252 is about 2130.7867091757. The cubic root of 4540252 is about 165.5871581755.

It can be divided in two parts, 45402 and 52, that added together give a palindrome (45454).

The spelling of 4540252 in words is "four million, five hundred forty thousand, two hundred fifty-two".