1425567 has 16 divisors (see below), whose sum is σ = 2233728. Its totient is φ = 797280.

The previous prime is 1425547. The next prime is 1425583. The reversal of 1425567 is 7655241.

It is not a de Polignac number, because 1425567 - 2⁶ = 1425503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (139608).

2^1425567 is an apocalyptic number.

1425567 is a deficient number, since it is larger than the sum of its proper divisors (808161).

1425567 is a wasteful number, since it uses less digits than its factorization.

1425567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350.

The product of its digits is 8400, while the sum is 30.

The square root of 1425567 is about 1193.9711051780. The cubic root of 1425567 is about 112.5457788998.

The spelling of 1425567 in words is "one million, four hundred twenty-five thousand, five hundred sixty-seven".