1425547 has 2 divisors, whose sum is σ = 1425548. Its totient is φ = 1425546.

The previous prime is 1425539. The next prime is 1425583. The reversal of 1425547 is 7455241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425547 - 2³ = 1425539 is a prime.

1425547 is a lucky number.

It is equal to p₁₀₈₈₈₃ and since 1425547 and 108883 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1425527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712773 + 712774.

It is an arithmetic number, because the mean of its divisors is an integer number (712774).

2^1425547 is an apocalyptic number.

1425547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425547 is an equidigital number, since it uses as much as digits as its factorization.

1425547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 28.

The square root of 1425547 is about 1193.9627297366. The cubic root of 1425547 is about 112.5452525768.

The spelling of 1425547 in words is "one million, four hundred twenty-five thousand, five hundred forty-seven".