1425667459 has 2 divisors, whose sum is σ = 1425667460. Its totient is φ = 1425667458.

The previous prime is 1425667429. The next prime is 1425667469. The reversal of 1425667459 is 9547665241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1425667459 - 2⁵ = 1425667427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425667409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712833729 + 712833730.

It is an arithmetic number, because the mean of its divisors is an integer number (712833730).

Almost surely, 2^1425667459 is an apocalyptic number.

1425667459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425667459 is an equidigital number, since it uses as much as digits as its factorization.

1425667459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The square root of 1425667459 is about 37758.0118517911. The cubic root of 1425667459 is about 1125.4842251948.

The spelling of 1425667459 in words is "one billion, four hundred twenty-five million, six hundred sixty-seven thousand, four hundred fifty-nine".