6524642 has 4 divisors (see below), whose sum is σ = 9786966. Its totient is φ = 3262320.

The previous prime is 6524629. The next prime is 6524647. The reversal of 6524642 is 2464256.

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., 5424241 + 1100401 = 2329^2 + 1049^2 .

It is not an unprimeable number, because it can be changed into a prime (6524647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1631159 + ... + 1631162.

Almost surely, 2^6524642 is an apocalyptic number.

6524642 is a deficient number, since it is larger than the sum of its proper divisors (3262324).

6524642 is a wasteful number, since it uses less digits than its factorization.

6524642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262323.

The product of its digits is 11520, while the sum is 29.

The square root of 6524642 is about 2554.3378789816. The cubic root of 6524642 is about 186.8610977231.

Adding to 6524642 its reverse (2464256), we get a palindrome (8988898).

The spelling of 6524642 in words is "six million, five hundred twenty-four thousand, six hundred forty-two".