1253552393 has 2 divisors, whose sum is σ = 1253552394. Its totient is φ = 1253552392.

The previous prime is 1253552359. The next prime is 1253552407. The reversal of 1253552393 is 3932553521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1156884169 + 96668224 = 34013^2 + 9832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253552393 - 2¹² = 1253548297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253552323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626776196 + 626776197.

It is an arithmetic number, because the mean of its divisors is an integer number (626776197).

Almost surely, 2^1253552393 is an apocalyptic number.

It is an amenable number.

1253552393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253552393 is an equidigital number, since it uses as much as digits as its factorization.

1253552393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 38.

The square root of 1253552393 is about 35405.5418402261. The cubic root of 1253552393 is about 1078.2368330207.

The spelling of 1253552393 in words is "one billion, two hundred fifty-three million, five hundred fifty-two thousand, three hundred ninety-three".