6125665 has 16 divisors (see below), whose sum is σ = 9047808. Its totient is φ = 3877056.

The previous prime is 6125663. The next prime is 6125671. The reversal of 6125665 is 5665216.

It is a cyclic number.

It is not a de Polignac number, because 6125665 - 2¹ = 6125663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6125663) 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, 6277 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (565488).

Almost surely, 2^6125665 is an apocalyptic number.

6125665 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6125665 is a deficient number, since it is larger than the sum of its proper divisors (2922143).

6125665 is a wasteful number, since it uses less digits than its factorization.

6125665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488.

The product of its digits is 10800, while the sum is 31.

The square root of 6125665 is about 2475.0080807949. The cubic root of 6125665 is about 182.9719068623.

It can be divided in two parts, 61 and 25665, that multiplied together give a triangular number (1565565 = T₁₇₆₉).

The spelling of 6125665 in words is "six million, one hundred twenty-five thousand, six hundred sixty-five".