2251445051 has 2 divisors, whose sum is σ = 2251445052. Its totient is φ = 2251445050.

The previous prime is 2251445047. The next prime is 2251445059. The reversal of 2251445051 is 1505441522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2251445051 - 2² = 2251445047 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2251445059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125722525 + 1125722526.

It is an arithmetic number, because the mean of its divisors is an integer number (1125722526).

Almost surely, 2^2251445051 is an apocalyptic number.

2251445051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251445051 is an equidigital number, since it uses as much as digits as its factorization.

2251445051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2251445051 is about 47449.3946325978. The cubic root of 2251445051 is about 1310.6511633646.

Adding to 2251445051 its reverse (1505441522), we get a palindrome (3756886573).

The spelling of 2251445051 in words is "two billion, two hundred fifty-one million, four hundred forty-five thousand, fifty-one".