6135505 has 4 divisors (see below), whose sum is σ = 7362612. Its totient is φ = 4908400.

The previous prime is 6135491. The next prime is 6135509. The reversal of 6135505 is 5055316.

6135505 = 1751² + 1752².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 3066001 = 1752^2 + 1751^2 .

It is not a de Polignac number, because 6135505 - 2⁵ = 6135473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6135505.

It is not an unprimeable number, because it can be changed into a prime (6135509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613546 + ... + 613555.

It is an arithmetic number, because the mean of its divisors is an integer number (1840653).

Almost surely, 2^6135505 is an apocalyptic number.

6135505 is the 1752-nd centered square number.

It is an amenable number.

6135505 is a deficient number, since it is larger than the sum of its proper divisors (1227107).

6135505 is a wasteful number, since it uses less digits than its factorization.

6135505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227106.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 6135505 is about 2476.9951554252. The cubic root of 6135505 is about 183.0698271356.

The spelling of 6135505 in words is "six million, one hundred thirty-five thousand, five hundred five".