1427365547 has 2 divisors, whose sum is σ = 1427365548. Its totient is φ = 1427365546.

The previous prime is 1427365523. The next prime is 1427365553. The reversal of 1427365547 is 7455637241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427365547 - 2⁶ = 1427365483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1427365498 and 1427365507.

It is not a weakly prime, because it can be changed into another prime (1427365507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713682773 + 713682774.

It is an arithmetic number, because the mean of its divisors is an integer number (713682774).

Almost surely, 2^1427365547 is an apocalyptic number.

1427365547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427365547 is an equidigital number, since it uses as much as digits as its factorization.

1427365547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 44.

The square root of 1427365547 is about 37780.4916193530. The cubic root of 1427365547 is about 1125.9308962047.

The spelling of 1427365547 in words is "one billion, four hundred twenty-seven million, three hundred sixty-five thousand, five hundred forty-seven".