1252473133 has 2 divisors, whose sum is σ = 1252473134. Its totient is φ = 1252473132.

The previous prime is 1252473037. The next prime is 1252473137. The reversal of 1252473133 is 3313742521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 898920324 + 353552809 = 29982^2 + 18803^2 .

It is an emirp because it is prime and its reverse (3313742521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252473133 - 2²¹ = 1250375981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252473095 and 1252473104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252473137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626236566 + 626236567.

It is an arithmetic number, because the mean of its divisors is an integer number (626236567).

Almost surely, 2^1252473133 is an apocalyptic number.

It is an amenable number.

1252473133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252473133 is an equidigital number, since it uses as much as digits as its factorization.

1252473133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 1252473133 is about 35390.2971589672. The cubic root of 1252473133 is about 1077.9273041391.

The spelling of 1252473133 in words is "one billion, two hundred fifty-two million, four hundred seventy-three thousand, one hundred thirty-three".