1253003521093 has 2 divisors, whose sum is σ = 1253003521094. Its totient is φ = 1253003521092.

The previous prime is 1253003520953. The next prime is 1253003521127. The reversal of 1253003521093 is 3901253003521.

It is an a-pointer prime, because the next prime (1253003521127) can be obtained adding 1253003521093 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1245315387969 + 7688133124 = 1115937^2 + 87682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253003521093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253003521493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626501760546 + 626501760547.

It is an arithmetic number, because the mean of its divisors is an integer number (626501760547).

Almost surely, 2^{1253003521093} is an apocalyptic number.

It is an amenable number.

1253003521093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253003521093 is an equidigital number, since it uses as much as digits as its factorization.

1253003521093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 1253003521093 in words is "one trillion, two hundred fifty-three billion, three million, five hundred twenty-one thousand, ninety-three".