1425084709 has 2 divisors, whose sum is σ = 1425084710. Its totient is φ = 1425084708.

The previous prime is 1425084701. The next prime is 1425084767. The reversal of 1425084709 is 9074805241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347257025 + 77827684 = 36705^2 + 8822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425084709 - 2³ = 1425084701 is a prime.

It is a super-2 number, since 2×1425084709² = 4061732855651229362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425084701) by changing a digit.

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 as a sum of consecutive naturals, namely, 712542354 + 712542355.

It is an arithmetic number, because the mean of its divisors is an integer number (712542355).

Almost surely, 2^1425084709 is an apocalyptic number.

It is an amenable number.

1425084709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425084709 is an equidigital number, since it uses as much as digits as its factorization.

1425084709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1425084709 is about 37750.2941577943. The cubic root of 1425084709 is about 1125.3308548529.

The spelling of 1425084709 in words is "one billion, four hundred twenty-five million, eighty-four thousand, seven hundred nine".