6542630 has 16 divisors (see below), whose sum is σ = 11811744. Its totient is φ = 2609280.

The previous prime is 6542621. The next prime is 6542633. The reversal of 6542630 is 362456.

It is a self number, because there is not a number n which added to its sum of digits gives 6542630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575 + ... + 5085.

It is an arithmetic number, because the mean of its divisors is an integer number (738234).

Almost surely, 2^6542630 is an apocalyptic number.

6542630 is a deficient number, since it is larger than the sum of its proper divisors (5269114).

6542630 is a wasteful number, since it uses less digits than its factorization.

6542630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 6542630 is about 2557.8565245142. The cubic root of 6542630 is about 187.0326613240.

It can be divided in two parts, 65426 and 30, that added together give a palindrome (65456).

The spelling of 6542630 in words is "six million, five hundred forty-two thousand, six hundred thirty".