6539148 has 108 divisors (see below), whose sum is σ = 21038472. Its totient is φ = 1693440.

The previous prime is 6539129. The next prime is 6539149. The reversal of 6539148 is 8419356.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (25920) is a multiple of the sum of its prime divisors (360).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6539149) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19236 + ... + 19572.

Almost surely, 2^6539148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6539148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10519236).

6539148 is an abundant number, since it is smaller than the sum of its proper divisors (14499324).

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

6539148 is a wasteful number, since it uses less digits than its factorization.

6539148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 360 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 6539148 is about 2557.1757859013. The cubic root of 6539148 is about 186.9994757246. Note that the first 3 decimals are identical.

It can be divided in two parts, 653 and 9148, that added together give a square (9801 = 99²).

The spelling of 6539148 in words is "six million, five hundred thirty-nine thousand, one hundred forty-eight".