1254676249 has 2 divisors, whose sum is σ = 1254676250. Its totient is φ = 1254676248.

The previous prime is 1254676217. The next prime is 1254676309. The reversal of 1254676249 is 9426764521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249976025 + 4700224 = 35355^2 + 2168^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254676249 - 2⁵ = 1254676217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1254676199 and 1254676208.

It is not a weakly prime, because it can be changed into another prime (1254676349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627338124 + 627338125.

It is an arithmetic number, because the mean of its divisors is an integer number (627338125).

Almost surely, 2^1254676249 is an apocalyptic number.

It is an amenable number.

1254676249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254676249 is an equidigital number, since it uses as much as digits as its factorization.

1254676249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 1254676249 is about 35421.4094722387. The cubic root of 1254676249 is about 1078.5589631487.

The spelling of 1254676249 in words is "one billion, two hundred fifty-four million, six hundred seventy-six thousand, two hundred forty-nine".