6471252 has 30 divisors (see below), whose sum is σ = 16917978. Its totient is φ = 2156976.

The previous prime is 6471251. The next prime is 6471259. The reversal of 6471252 is 2521746.

6471252 is a `hidden beast` number, since 647 + 12 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5225796 + 1245456 = 2286^2 + 1116^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6471251) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9663 + ... + 10310.

Almost surely, 2^6471252 is an apocalyptic number.

It is an amenable number.

6471252 is an abundant number, since it is smaller than the sum of its proper divisors (10446726).

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

6471252 is a wasteful number, since it uses less digits than its factorization.

6471252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19989 (or 19978 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 6471252 is about 2543.8655624856. The cubic root of 6471252 is about 186.3500172984.

Adding to 6471252 its reverse (2521746), we get a palindrome (8992998).

The spelling of 6471252 in words is "six million, four hundred seventy-one thousand, two hundred fifty-two".