675144551 has 2 divisors, whose sum is σ = 675144552. Its totient is φ = 675144550.

The previous prime is 675144529. The next prime is 675144557. The reversal of 675144551 is 155441576.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675144551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675144557) 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 as a sum of consecutive naturals, namely, 337572275 + 337572276.

It is an arithmetic number, because the mean of its divisors is an integer number (337572276).

Almost surely, 2^675144551 is an apocalyptic number.

675144551 is a deficient number, since it is larger than the sum of its proper divisors (1).

675144551 is an equidigital number, since it uses as much as digits as its factorization.

675144551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 675144551 is about 25983.5438499062. The cubic root of 675144551 is about 877.2679347261.

The spelling of 675144551 in words is "six hundred seventy-five million, one hundred forty-four thousand, five hundred fifty-one".