1524330252 has 120 divisors (see below), whose sum is σ = 4216027200. Its totient is φ = 480895056.

The previous prime is 1524330217. The next prime is 1524330253. The reversal of 1524330252 is 2520334251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1524330253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1495399 + ... + 1496417.

It is an arithmetic number, because the mean of its divisors is an integer number (35133560).

Almost surely, 2^1524330252 is an apocalyptic number.

1524330252 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 1524330252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2108013600).

1524330252 is an abundant number, since it is smaller than the sum of its proper divisors (2691696948).

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

1524330252 is an equidigital number, since it uses as much as digits as its factorization.

1524330252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1524330252 is about 39042.6721933835. The cubic root of 1524330252 is about 1150.8702302844.

It can be divided in two parts, 1524 and 330252, that added together give a 4-th power (331776 = 24⁴).

The spelling of 1524330252 in words is "one billion, five hundred twenty-four million, three hundred thirty thousand, two hundred fifty-two".