675281251 has 2 divisors, whose sum is σ = 675281252. Its totient is φ = 675281250.

The previous prime is 675281249. The next prime is 675281263. The reversal of 675281251 is 152182576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675281251 - 2¹ = 675281249 is a prime.

Together with 675281249, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 675281251.

It is not a weakly prime, because it can be changed into another prime (675231251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337640625 + 337640626.

It is an arithmetic number, because the mean of its divisors is an integer number (337640626).

Almost surely, 2^675281251 is an apocalyptic number.

675281251 is a deficient number, since it is larger than the sum of its proper divisors (1).

675281251 is an equidigital number, since it uses as much as digits as its factorization.

675281251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 37.

The square root of 675281251 is about 25986.1742278466. The cubic root of 675281251 is about 877.3271390519.

The spelling of 675281251 in words is "six hundred seventy-five million, two hundred eighty-one thousand, two hundred fifty-one".