675047551 has 2 divisors, whose sum is σ = 675047552. Its totient is φ = 675047550.

The previous prime is 675047519. The next prime is 675047563. The reversal of 675047551 is 155740576.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 675047551 - 2⁵ = 675047519 is a prime.

It is a super-2 number, since 2×675047551² = 911378392222195202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675047501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337523775 + 337523776.

It is an arithmetic number, because the mean of its divisors is an integer number (337523776).

Almost surely, 2^675047551 is an apocalyptic number.

675047551 is a deficient number, since it is larger than the sum of its proper divisors (1).

675047551 is an equidigital number, since it uses as much as digits as its factorization.

675047551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 675047551 is about 25981.6772168388. The cubic root of 675047551 is about 877.2259194939.

The spelling of 675047551 in words is "six hundred seventy-five million, forty-seven thousand, five hundred fifty-one".