1525485 has 16 divisors (see below), whose sum is σ = 2628864. Its totient is φ = 750912.

The previous prime is 1525477. The next prime is 1525493. The reversal of 1525485 is 5845251.

It is an interprime number because it is at equal distance from previous prime (1525477) and next prime (1525493).

It is not a de Polignac number, because 1525485 - 2³ = 1525477 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3717 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (164304).

2^1525485 is an apocalyptic number.

1525485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1525485 is a deficient number, since it is larger than the sum of its proper divisors (1103379).

1525485 is a wasteful number, since it uses less digits than its factorization.

1525485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844.

The product of its digits is 8000, while the sum is 30.

The square root of 1525485 is about 1235.1052586723. The cubic root of 1525485 is about 115.1160768736.

The spelling of 1525485 in words is "one million, five hundred twenty-five thousand, four hundred eighty-five".