1425471647 has 2 divisors, whose sum is σ = 1425471648. Its totient is φ = 1425471646.

The previous prime is 1425471617. The next prime is 1425471679. The reversal of 1425471647 is 7461745241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7461745241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425471647 - 2¹⁰ = 1425470623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425471617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712735823 + 712735824.

It is an arithmetic number, because the mean of its divisors is an integer number (712735824).

Almost surely, 2^1425471647 is an apocalyptic number.

1425471647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425471647 is an equidigital number, since it uses as much as digits as its factorization.

1425471647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 41.

The square root of 1425471647 is about 37755.4187766471. The cubic root of 1425471647 is about 1125.4326953175.

The spelling of 1425471647 in words is "one billion, four hundred twenty-five million, four hundred seventy-one thousand, six hundred forty-seven".