1253524443293 has 2 divisors, whose sum is σ = 1253524443294. Its totient is φ = 1253524443292.

The previous prime is 1253524443251. The next prime is 1253524443361. The reversal of 1253524443293 is 3923444253521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247481246649 + 6043196644 = 1116907^2 + 77738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253524443293 - 2¹² = 1253524439197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253524443203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626762221646 + 626762221647.

It is an arithmetic number, because the mean of its divisors is an integer number (626762221647).

Almost surely, 2^{1253524443293} is an apocalyptic number.

It is an amenable number.

1253524443293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253524443293 is an equidigital number, since it uses as much as digits as its factorization.

1253524443293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 47.

The spelling of 1253524443293 in words is "one trillion, two hundred fifty-three billion, five hundred twenty-four million, four hundred forty-three thousand, two hundred ninety-three".