675507251 has 2 divisors, whose sum is σ = 675507252. Its totient is φ = 675507250.

The previous prime is 675507233. The next prime is 675507289. The reversal of 675507251 is 152705576.

It is an a-pointer prime, because the next prime (675507289) can be obtained adding 675507251 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675507251 is a prime.

It is not a weakly prime, because it can be changed into another prime (675507211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337753625 + 337753626.

It is an arithmetic number, because the mean of its divisors is an integer number (337753626).

Almost surely, 2^675507251 is an apocalyptic number.

675507251 is a deficient number, since it is larger than the sum of its proper divisors (1).

675507251 is an equidigital number, since it uses as much as digits as its factorization.

675507251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 675507251 is about 25990.5223302649. The cubic root of 675507251 is about 877.4250013958.

The spelling of 675507251 in words is "six hundred seventy-five million, five hundred seven thousand, two hundred fifty-one".