675439551 has 48 divisors (see below), whose sum is σ = 1081978560. Its totient is φ = 404490240.

The previous prime is 675439547. The next prime is 675439559. The reversal of 675439551 is 155934576.

675439551 is a `hidden beast` number, since 67 + 5 + 4 + 39 + 551 = 666.

675439551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 675439551 - 2² = 675439547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 675439497 and 675439506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675439559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220591 + ... + 223631.

It is an arithmetic number, because the mean of its divisors is an integer number (22541220).

Almost surely, 2^675439551 is an apocalyptic number.

675439551 is a deficient number, since it is larger than the sum of its proper divisors (406539009).

675439551 is a wasteful number, since it uses less digits than its factorization.

675439551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136 (or 3133 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 675439551 is about 25989.2198997969. The cubic root of 675439551 is about 877.3956882848.

The spelling of 675439551 in words is "six hundred seventy-five million, four hundred thirty-nine thousand, five hundred fifty-one".