1043225851 has 2 divisors, whose sum is σ = 1043225852. Its totient is φ = 1043225850.

The previous prime is 1043225849. The next prime is 1043225861. The reversal of 1043225851 is 1585223401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043225851 - 2¹ = 1043225849 is a prime.

Together with 1043225849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1043225861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521612925 + 521612926.

It is an arithmetic number, because the mean of its divisors is an integer number (521612926).

Almost surely, 2^1043225851 is an apocalyptic number.

1043225851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043225851 is an equidigital number, since it uses as much as digits as its factorization.

1043225851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1043225851 is about 32299.0069661592. The cubic root of 1043225851 is about 1014.2058550713.

The spelling of 1043225851 in words is "one billion, forty-three million, two hundred twenty-five thousand, eight hundred fifty-one".