1425481 has 2 divisors, whose sum is σ = 1425482. Its totient is φ = 1425480.

The previous prime is 1425469. The next prime is 1425491. The reversal of 1425481 is 1845241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 259081 = 1080^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425481 - 2¹⁹ = 901193 is a prime.

It is a super-2 number, since 2×1425481² = 4063992162722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1425451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712740 + 712741.

It is an arithmetic number, because the mean of its divisors is an integer number (712741).

2^1425481 is an apocalyptic number.

It is an amenable number.

1425481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425481 is an equidigital number, since it uses as much as digits as its factorization.

1425481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 25.

The square root of 1425481 is about 1193.9350903630. The cubic root of 1425481 is about 112.5435156760.

The spelling of 1425481 in words is "one million, four hundred twenty-five thousand, four hundred eighty-one".