1505425 has 6 divisors (see below), whose sum is σ = 1866758. Its totient is φ = 1204320.

The previous prime is 1505417. The next prime is 1505431. The reversal of 1505425 is 5245051.

It can be written as a sum of positive squares in 3 ways, for example, as 24336 + 1481089 = 156^2 + 1217^2 .

It is not a de Polignac number, because 1505425 - 2³ = 1505417 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 1505396 and 1505405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30084 + ... + 30133.

2^1505425 is an apocalyptic number.

It is an amenable number.

1505425 is a deficient number, since it is larger than the sum of its proper divisors (361333).

1505425 is an equidigital number, since it uses as much as digits as its factorization.

1505425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60227 (or 60222 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1505425 is about 1226.9576194800. The cubic root of 1505425 is about 114.6092598816.

The spelling of 1505425 in words is "one million, five hundred five thousand, four hundred twenty-five".