1258228523 has 2 divisors, whose sum is σ = 1258228524. Its totient is φ = 1258228522.

The previous prime is 1258228453. The next prime is 1258228603. The reversal of 1258228523 is 3258228521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1258228523 - 2¹⁰ = 1258227499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1258228723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629114261 + 629114262.

It is an arithmetic number, because the mean of its divisors is an integer number (629114262).

Almost surely, 2^1258228523 is an apocalyptic number.

1258228523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258228523 is an equidigital number, since it uses as much as digits as its factorization.

1258228523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 38.

The square root of 1258228523 is about 35471.5170665141. The cubic root of 1258228523 is about 1079.5758859993.

The spelling of 1258228523 in words is "one billion, two hundred fifty-eight million, two hundred twenty-eight thousand, five hundred twenty-three".