252801036 has 36 divisors (see below), whose sum is σ = 639684864. Its totient is φ = 84180000.

The previous prime is 252801013. The next prime is 252801053. The reversal of 252801036 is 630108252.

It is a tau number, because it is divible by the number of its divisors (36).

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 in 11 ways as a sum of consecutive naturals, for example, 38386 + ... + 44486.

It is an arithmetic number, because the mean of its divisors is an integer number (17769024).

Almost surely, 2^252801036 is an apocalyptic number.

It is an amenable number.

252801036 is an abundant number, since it is smaller than the sum of its proper divisors (386883828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252801036 is a wasteful number, since it uses less digits than its factorization.

252801036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262 (or 7257 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 252801036 is about 15899.7181107088. The cubic root of 252801036 is about 632.3045152991.

Adding to 252801036 its reverse (630108252), we get a palindrome (882909288).

The spelling of 252801036 in words is "two hundred fifty-two million, eight hundred one thousand, thirty-six".