4252538 has 4 divisors (see below), whose sum is σ = 6378810. Its totient is φ = 2126268.

The previous prime is 4252519. The next prime is 4252541. The reversal of 4252538 is 8352524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3374569 + 877969 = 1837^2 + 937^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4252538.

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, 1063133 + ... + 1063136.

Almost surely, 2^4252538 is an apocalyptic number.

4252538 is a deficient number, since it is larger than the sum of its proper divisors (2126272).

4252538 is a wasteful number, since it uses less digits than its factorization.

4252538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126271.

The product of its digits is 9600, while the sum is 29.

The square root of 4252538 is about 2062.1682763538. The cubic root of 4252538 is about 162.0128273133.

The spelling of 4252538 in words is "four million, two hundred fifty-two thousand, five hundred thirty-eight".