675747551 has 2 divisors, whose sum is σ = 675747552. Its totient is φ = 675747550.

The previous prime is 675747511. The next prime is 675747563. The reversal of 675747551 is 155747576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 675747551 - 2⁶ = 675747487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 675747496 and 675747505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675747511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337873775 + 337873776.

It is an arithmetic number, because the mean of its divisors is an integer number (337873776).

Almost surely, 2^675747551 is an apocalyptic number.

675747551 is a deficient number, since it is larger than the sum of its proper divisors (1).

675747551 is an equidigital number, since it uses as much as digits as its factorization.

675747551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1029000, while the sum is 47.

The square root of 675747551 is about 25995.1447582044. The cubic root of 675747551 is about 877.5290319748.

The spelling of 675747551 in words is "six hundred seventy-five million, seven hundred forty-seven thousand, five hundred fifty-one".