675396651 has 4 divisors (see below), whose sum is σ = 900528872. Its totient is φ = 450264432.

The previous prime is 675396637. The next prime is 675396661. The reversal of 675396651 is 156693576.

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

It is not a de Polignac number, because 675396651 - 2¹⁵ = 675363883 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 675396651.

It is not an unprimeable number, because it can be changed into a prime (675396661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112566106 + ... + 112566111.

It is an arithmetic number, because the mean of its divisors is an integer number (225132218).

Almost surely, 2^675396651 is an apocalyptic number.

675396651 is a deficient number, since it is larger than the sum of its proper divisors (225132221).

675396651 is a wasteful number, since it uses less digits than its factorization.

675396651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225132220.

The product of its digits is 1020600, while the sum is 48.

The square root of 675396651 is about 25988.3945444885. The cubic root of 675396651 is about 877.3771121976.

The spelling of 675396651 in words is "six hundred seventy-five million, three hundred ninety-six thousand, six hundred fifty-one".