1575252 has 108 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 417312.

The previous prime is 1575239. The next prime is 1575253. The reversal of 1575252 is 2525751.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1575253) 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 35 ways as a sum of consecutive naturals, for example, 33493 + ... + 33539.

2^1575252 is an apocalyptic number.

1575252 is a gapful number since it is divisible by the number (12) 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 1575252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2489760).

1575252 is an abundant number, since it is smaller than the sum of its proper divisors (3404268).

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

1575252 is a wasteful number, since it uses less digits than its factorization.

1575252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 78 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 1575252 is about 1255.0904349887. The cubic root of 1575252 is about 116.3545434863.

It can be divided in two parts, 1575 and 252, that multiplied together give a square (396900 = 630²).

The spelling of 1575252 in words is "one million, five hundred seventy-five thousand, two hundred fifty-two".