252800026 has 4 divisors (see below), whose sum is σ = 379200042. Its totient is φ = 126400012.

The previous prime is 252800017. The next prime is 252800027. The reversal of 252800026 is 620008252.

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., 165096801 + 87703225 = 12849^2 + 9365^2 .

It is not an unprimeable number, because it can be changed into a prime (252800027) 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 as a sum of consecutive naturals, namely, 63200005 + ... + 63200008.

Almost surely, 2^252800026 is an apocalyptic number.

252800026 is a deficient number, since it is larger than the sum of its proper divisors (126400016).

252800026 is a wasteful number, since it uses less digits than its factorization.

252800026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126400015.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 252800026 is about 15899.6863491076. The cubic root of 252800026 is about 632.3036732292.

Adding to 252800026 its reverse (620008252), we get a palindrome (872808278).

The spelling of 252800026 in words is "two hundred fifty-two million, eight hundred thousand, twenty-six".