6505738 has 4 divisors (see below), whose sum is σ = 9758610. Its totient is φ = 3252868.

The previous prime is 6505717. The next prime is 6505783. The reversal of 6505738 is 8375056.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4609609 + 1896129 = 2147^2 + 1377^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626433 + ... + 1626436.

Almost surely, 2^6505738 is an apocalyptic number.

6505738 is a deficient number, since it is larger than the sum of its proper divisors (3252872).

6505738 is a wasteful number, since it uses less digits than its factorization.

6505738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252871.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 6505738 is about 2550.6348229411. The cubic root of 6505738 is about 186.6804574562.

The spelling of 6505738 in words is "six million, five hundred five thousand, seven hundred thirty-eight".