1253293073 has 2 divisors, whose sum is σ = 1253293074. Its totient is φ = 1253293072.

The previous prime is 1253293061. The next prime is 1253293081. The reversal of 1253293073 is 3703923521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003115584 + 250177489 = 31672^2 + 15817^2 .

It is an emirp because it is prime and its reverse (3703923521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253293073 - 2³⁰ = 179551249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253293973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626646536 + 626646537.

It is an arithmetic number, because the mean of its divisors is an integer number (626646537).

Almost surely, 2^1253293073 is an apocalyptic number.

It is an amenable number.

1253293073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253293073 is an equidigital number, since it uses as much as digits as its factorization.

1253293073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 1253293073 is about 35401.8795122519. The cubic root of 1253293073 is about 1078.1624769587.

The spelling of 1253293073 in words is "one billion, two hundred fifty-three million, two hundred ninety-three thousand, seventy-three".