6232540665 has 64 divisors (see below), whose sum is σ = 11194880256. Its totient is φ = 2940613632.

The previous prime is 6232540661. The next prime is 6232540681. The reversal of 6232540665 is 5660452326.

It is not a de Polignac number, because 6232540665 - 2² = 6232540661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6232540661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 476959 + ... + 489851.

It is an arithmetic number, because the mean of its divisors is an integer number (174920004).

Almost surely, 2^6232540665 is an apocalyptic number.

6232540665 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6232540665 is a deficient number, since it is larger than the sum of its proper divisors (4962339591).

6232540665 is a wasteful number, since it uses less digits than its factorization.

6232540665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018.

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 6232540665 is about 78946.4417500878. The cubic root of 6232540665 is about 1840.2989299495.

The spelling of 6232540665 in words is "six billion, two hundred thirty-two million, five hundred forty thousand, six hundred sixty-five".