1425539 has 2 divisors, whose sum is σ = 1425540. Its totient is φ = 1425538.

The previous prime is 1425527. The next prime is 1425547. The reversal of 1425539 is 9355241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1425539 - 2²⁰ = 376963 is a prime.

It is a super-2 number, since 2×1425539² = 4064322881042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1425139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712769 + 712770.

It is an arithmetic number, because the mean of its divisors is an integer number (712770).

2^1425539 is an apocalyptic number.

1425539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425539 is an equidigital number, since it uses as much as digits as its factorization.

1425539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 1425539 is about 1193.9593795435. The cubic root of 1425539 is about 112.5450420462.

The spelling of 1425539 in words is "one million, four hundred twenty-five thousand, five hundred thirty-nine".