1525480 has 32 divisors (see below), whose sum is σ = 3745440. Its totient is φ = 554560.

The previous prime is 1525477. The next prime is 1525493. The reversal of 1525480 is 845251.

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 7 ways as a sum of consecutive naturals, for example, 1294 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (117045).

2^1525480 is an apocalyptic number.

1525480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1525480 is an abundant number, since it is smaller than the sum of its proper divisors (2219960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1525480 is a wasteful number, since it uses less digits than its factorization.

1525480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1525480 is about 1235.1032345517. The cubic root of 1525480 is about 115.1159511036.

The spelling of 1525480 in words is "one million, five hundred twenty-five thousand, four hundred eighty".