6401210252 has 24 divisors (see below), whose sum is σ = 11597538960. Its totient is φ = 3087801920.

The previous prime is 6401210227. The next prime is 6401210267. The reversal of 6401210252 is 2520121046.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130502 + ... + 172722.

It is an arithmetic number, because the mean of its divisors is an integer number (483230790).

Almost surely, 2^6401210252 is an apocalyptic number.

It is an amenable number.

6401210252 is a deficient number, since it is larger than the sum of its proper divisors (5196328708).

6401210252 is a wasteful number, since it uses less digits than its factorization.

6401210252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43561 (or 43559 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6401210252 is about 80007.5637174386. The cubic root of 6401210252 is about 1856.7525571558.

Adding to 6401210252 its reverse (2520121046), we get a palindrome (8921331298).

The spelling of 6401210252 in words is "six billion, four hundred one million, two hundred ten thousand, two hundred fifty-two".