1254464609 has 2 divisors, whose sum is σ = 1254464610. Its totient is φ = 1254464608.

The previous prime is 1254464537. The next prime is 1254464611. The reversal of 1254464609 is 9064644521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760380625 + 494083984 = 27575^2 + 22228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254464609 - 2²⁴ = 1237687393 is a prime.

It is a Sophie Germain prime.

Together with 1254464611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1254464669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627232304 + 627232305.

It is an arithmetic number, because the mean of its divisors is an integer number (627232305).

Almost surely, 2^1254464609 is an apocalyptic number.

It is an amenable number.

1254464609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254464609 is an equidigital number, since it uses as much as digits as its factorization.

1254464609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1254464609 is about 35418.4218874867. The cubic root of 1254464609 is about 1078.4983156164.

The spelling of 1254464609 in words is "one billion, two hundred fifty-four million, four hundred sixty-four thousand, six hundred nine".