675264621 has 4 divisors (see below), whose sum is σ = 900352832. Its totient is φ = 450176412.

The previous prime is 675264607. The next prime is 675264649. The reversal of 675264621 is 126462576.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 675264621 - 2⁷ = 675264493 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 675264621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675264671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112544101 + ... + 112544106.

It is an arithmetic number, because the mean of its divisors is an integer number (225088208).

Almost surely, 2^675264621 is an apocalyptic number.

It is an amenable number.

675264621 is a deficient number, since it is larger than the sum of its proper divisors (225088211).

675264621 is a wasteful number, since it uses less digits than its factorization.

675264621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225088210.

The product of its digits is 120960, while the sum is 39.

The square root of 675264621 is about 25985.8542480327. The cubic root of 675264621 is about 877.3199370798.

The spelling of 675264621 in words is "six hundred seventy-five million, two hundred sixty-four thousand, six hundred twenty-one".