1427441725 has 6 divisors (see below), whose sum is σ = 1770027770. Its totient is φ = 1141953360.

The previous prime is 1427441713. The next prime is 1427441731. The reversal of 1427441725 is 5271447241.

It can be written as a sum of positive squares in 3 ways, for example, as 299220804 + 1128220921 = 17298^2 + 33589^2 .

It is not a de Polignac number, because 1427441725 - 2⁷ = 1427441597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28548810 + ... + 28548859.

Almost surely, 2^1427441725 is an apocalyptic number.

It is an amenable number.

1427441725 is a deficient number, since it is larger than the sum of its proper divisors (342586045).

1427441725 is an equidigital number, since it uses as much as digits as its factorization.

1427441725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57097679 (or 57097674 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 1427441725 is about 37781.4997717137. The cubic root of 1427441725 is about 1125.9509260277.

Adding to 1427441725 its reverse (5271447241), we get a palindrome (6698888966).

The spelling of 1427441725 in words is "one billion, four hundred twenty-seven million, four hundred forty-one thousand, seven hundred twenty-five".