1254713689 has 2 divisors, whose sum is σ = 1254713690. Its totient is φ = 1254713688.

The previous prime is 1254713617. The next prime is 1254713701. The reversal of 1254713689 is 9863174521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205825625 + 48888064 = 34725^2 + 6992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254713689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254710689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627356844 + 627356845.

It is an arithmetic number, because the mean of its divisors is an integer number (627356845).

Almost surely, 2^1254713689 is an apocalyptic number.

It is an amenable number.

1254713689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254713689 is an equidigital number, since it uses as much as digits as its factorization.

1254713689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 1254713689 is about 35421.9379622290. The cubic root of 1254713689 is about 1078.5696912405.

The spelling of 1254713689 in words is "one billion, two hundred fifty-four million, seven hundred thirteen thousand, six hundred eighty-nine".