1525248 has 60 divisors (see below), whose sum is σ = 4415268. Its totient is φ = 506880.

The previous prime is 1525243. The next prime is 1525261. The reversal of 1525248 is 8425251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4443 + ... + 4773.

2^1525248 is an apocalyptic number.

1525248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2207634).

1525248 is an abundant number, since it is smaller than the sum of its proper divisors (2890020).

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

1525248 is an equidigital number, since it uses as much as digits as its factorization.

1525248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 336 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1525248 is about 1235.0093117058. The cubic root of 1525248 is about 115.1101150706.

The spelling of 1525248 in words is "one million, five hundred twenty-five thousand, two hundred forty-eight".