1425597049 has 2 divisors, whose sum is σ = 1425597050. Its totient is φ = 1425597048.

The previous prime is 1425597007. The next prime is 1425597053. The reversal of 1425597049 is 9407955241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1303715449 + 121881600 = 36107^2 + 11040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425597049 - 2⁹ = 1425596537 is a prime.

It is a super-2 number, since 2×1425597049² = 4064653892235016802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1425507049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712798524 + 712798525.

It is an arithmetic number, because the mean of its divisors is an integer number (712798525).

Almost surely, 2^1425597049 is an apocalyptic number.

It is an amenable number.

1425597049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425597049 is an equidigital number, since it uses as much as digits as its factorization.

1425597049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 1425597049 is about 37757.0794553816. The cubic root of 1425597049 is about 1125.4656966456.

The spelling of 1425597049 in words is "one billion, four hundred twenty-five million, five hundred ninety-seven thousand, forty-nine".