1427563441 has 2 divisors, whose sum is σ = 1427563442. Its totient is φ = 1427563440.

The previous prime is 1427563433. The next prime is 1427563463. The reversal of 1427563441 is 1443657241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1240448400 + 187115041 = 35220^2 + 13679^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427563441 - 2³ = 1427563433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1427563441.

It is not a weakly prime, because it can be changed into another prime (1427563411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713781720 + 713781721.

It is an arithmetic number, because the mean of its divisors is an integer number (713781721).

Almost surely, 2^1427563441 is an apocalyptic number.

It is an amenable number.

1427563441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427563441 is an equidigital number, since it uses as much as digits as its factorization.

1427563441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 1427563441 is about 37783.1105257362. The cubic root of 1427563441 is about 1125.9829278824.

The spelling of 1427563441 in words is "one billion, four hundred twenty-seven million, five hundred sixty-three thousand, four hundred forty-one".