1425789327 has 4 divisors (see below), whose sum is σ = 1901052440. Its totient is φ = 950526216.

The previous prime is 1425789319. The next prime is 1425789329. The reversal of 1425789327 is 7239875241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1425789327 - 2³ = 1425789319 is a prime.

It is a super-2 number, since 2×1425789327² = 4065750409974225858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425789329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237631552 + ... + 237631557.

It is an arithmetic number, because the mean of its divisors is an integer number (475263110).

Almost surely, 2^1425789327 is an apocalyptic number.

1425789327 is a deficient number, since it is larger than the sum of its proper divisors (475263113).

1425789327 is an equidigital number, since it uses as much as digits as its factorization.

1425789327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475263112.

The product of its digits is 846720, while the sum is 48.

The square root of 1425789327 is about 37759.6256204958. The cubic root of 1425789327 is about 1125.5162935903.

The spelling of 1425789327 in words is "one billion, four hundred twenty-five million, seven hundred eighty-nine thousand, three hundred twenty-seven".