1252774673 has 2 divisors, whose sum is σ = 1252774674. Its totient is φ = 1252774672.

The previous prime is 1252774597. The next prime is 1252774687. The reversal of 1252774673 is 3764772521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1252664449 + 110224 = 35393^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252774673 - 2¹⁰ = 1252773649 is a prime.

It is a super-3 number, since 3×1252774673³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1252764673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626387336 + 626387337.

It is an arithmetic number, because the mean of its divisors is an integer number (626387337).

Almost surely, 2^1252774673 is an apocalyptic number.

It is an amenable number.

1252774673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252774673 is an equidigital number, since it uses as much as digits as its factorization.

1252774673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 44.

The square root of 1252774673 is about 35394.5571098156. The cubic root of 1252774673 is about 1078.0138028989.

The spelling of 1252774673 in words is "one billion, two hundred fifty-two million, seven hundred seventy-four thousand, six hundred seventy-three".