1505625 has 40 divisors (see below), whose sum is σ = 2774112. Its totient is φ = 720000.

The previous prime is 1505611. The next prime is 1505657. The reversal of 1505625 is 5265051.

It is not a de Polignac number, because 1505625 - 2⁸ = 1505369 is a prime.

It is a super-3 number, since 3×1505625³ = 10239333932373046875, which contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1505595 and 1505604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20589 + ... + 20661.

2^1505625 is an apocalyptic number.

1505625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1505625 is a deficient number, since it is larger than the sum of its proper divisors (1268487).

1505625 is an equidigital number, since it uses as much as digits as its factorization.

1505625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1505625 is about 1227.0391191808. The cubic root of 1505625 is about 114.6143350458.

It can be divided in two parts, 150 and 5625, that added together give a palindrome (5775).

The spelling of 1505625 in words is "one million, five hundred five thousand, six hundred twenty-five".