675747251 has 2 divisors, whose sum is σ = 675747252. Its totient is φ = 675747250.

The previous prime is 675747209. The next prime is 675747253. The reversal of 675747251 is 152747576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 675747251 - 2⁶ = 675747187 is a prime.

Together with 675747253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (675747253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337873625 + 337873626.

It is an arithmetic number, because the mean of its divisors is an integer number (337873626).

Almost surely, 2^675747251 is an apocalyptic number.

675747251 is a deficient number, since it is larger than the sum of its proper divisors (1).

675747251 is an equidigital number, since it uses as much as digits as its factorization.

675747251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411600, while the sum is 44.

The square root of 675747251 is about 25995.1389878954. The cubic root of 675747251 is about 877.5289021143.

The spelling of 675747251 in words is "six hundred seventy-five million, seven hundred forty-seven thousand, two hundred fifty-one".