1427557253 has 2 divisors, whose sum is σ = 1427557254. Its totient is φ = 1427557252.

The previous prime is 1427557213. The next prime is 1427557259. The reversal of 1427557253 is 3527557241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770506564 + 657050689 = 27758^2 + 25633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427557253 - 2⁶ = 1427557189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1427557253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427557259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713778626 + 713778627.

It is an arithmetic number, because the mean of its divisors is an integer number (713778627).

Almost surely, 2^1427557253 is an apocalyptic number.

It is an amenable number.

1427557253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427557253 is an equidigital number, since it uses as much as digits as its factorization.

1427557253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294000, while the sum is 41.

The square root of 1427557253 is about 37783.0286372069. The cubic root of 1427557253 is about 1125.9813009629.

The spelling of 1427557253 in words is "one billion, four hundred twenty-seven million, five hundred fifty-seven thousand, two hundred fifty-three".