6538995 has 16 divisors (see below), whose sum is σ = 11625120. Its totient is φ = 3487392.

The previous prime is 6538991. The next prime is 6538997. The reversal of 6538995 is 5998356.

It is not a de Polignac number, because 6538995 - 2² = 6538991 is a prime.

It is a super-2 number, since 2×6538995² = 85516911220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6538995.

It is not an unprimeable number, because it can be changed into a prime (6538991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24084 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (726570).

Almost surely, 2^6538995 is an apocalyptic number.

6538995 is a deficient number, since it is larger than the sum of its proper divisors (5086125).

6538995 is a wasteful number, since it uses less digits than its factorization.

6538995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48451 (or 48445 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 6538995 is about 2557.1458699104. The cubic root of 6538995 is about 186.9980172705.

It can be divided in two parts, 65 and 38995, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 6538995 in words is "six million, five hundred thirty-eight thousand, nine hundred ninety-five".