258845051 has 2 divisors, whose sum is σ = 258845052. Its totient is φ = 258845050.

The previous prime is 258845029. The next prime is 258845089. The reversal of 258845051 is 150548852.

It is an a-pointer prime, because the next prime (258845089) can be obtained adding 258845051 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-258845051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258844996 and 258845014.

It is not a weakly prime, because it can be changed into another prime (258845011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129422525 + 129422526.

It is an arithmetic number, because the mean of its divisors is an integer number (129422526).

Almost surely, 2^258845051 is an apocalyptic number.

258845051 is a deficient number, since it is larger than the sum of its proper divisors (1).

258845051 is an equidigital number, since it uses as much as digits as its factorization.

258845051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 258845051 is about 16088.6621880130. The cubic root of 258845051 is about 637.3039672022.

The spelling of 258845051 in words is "two hundred fifty-eight million, eight hundred forty-five thousand, fifty-one".