1253325529 has 2 divisors, whose sum is σ = 1253325530. Its totient is φ = 1253325528.

The previous prime is 1253325511. The next prime is 1253325551. The reversal of 1253325529 is 9255233521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1215219600 + 38105929 = 34860^2 + 6173^2 .

It is an emirp because it is prime and its reverse (9255233521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253325529 - 2⁷ = 1253325401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253325589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626662764 + 626662765.

It is an arithmetic number, because the mean of its divisors is an integer number (626662765).

Almost surely, 2^1253325529 is an apocalyptic number.

It is an amenable number.

1253325529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253325529 is an equidigital number, since it uses as much as digits as its factorization.

1253325529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 1253325529 is about 35402.3379030256. The cubic root of 1253325529 is about 1078.1717837840.

The spelling of 1253325529 in words is "one billion, two hundred fifty-three million, three hundred twenty-five thousand, five hundred twenty-nine".