403211252 has 12 divisors (see below), whose sum is σ = 736298976. Its totient is φ = 192840120.

The previous prime is 403211243. The next prime is 403211257. The reversal of 403211252 is 252112304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403211257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2191274 + ... + 2191457.

It is an arithmetic number, because the mean of its divisors is an integer number (61358248).

Almost surely, 2^403211252 is an apocalyptic number.

It is an amenable number.

403211252 is a deficient number, since it is larger than the sum of its proper divisors (333087724).

403211252 is a wasteful number, since it uses less digits than its factorization.

403211252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382758 (or 4382756 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 403211252 is about 20080.1208163696. The cubic root of 403211252 is about 738.7727722993.

Adding to 403211252 its reverse (252112304), we get a palindrome (655323556).

The spelling of 403211252 in words is "four hundred three million, two hundred eleven thousand, two hundred fifty-two".