1254427553 has 2 divisors, whose sum is σ = 1254427554. Its totient is φ = 1254427552.

The previous prime is 1254427549. The next prime is 1254427591. The reversal of 1254427553 is 3557244521.

It is an a-pointer prime, because the next prime (1254427591) can be obtained adding 1254427553 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1130506129 + 123921424 = 33623^2 + 11132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254427553 - 2² = 1254427549 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254427523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627213776 + 627213777.

It is an arithmetic number, because the mean of its divisors is an integer number (627213777).

Almost surely, 2^1254427553 is an apocalyptic number.

It is an amenable number.

1254427553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254427553 is an equidigital number, since it uses as much as digits as its factorization.

1254427553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 38.

The square root of 1254427553 is about 35417.8987660194. The cubic root of 1254427553 is about 1078.4876961519.

The spelling of 1254427553 in words is "one billion, two hundred fifty-four million, four hundred twenty-seven thousand, five hundred fifty-three".