1326252552 has 32 divisors (see below), whose sum is σ = 3510669600. Its totient is φ = 416079104.

The previous prime is 1326252547. The next prime is 1326252559. The reversal of 1326252552 is 2552526231.

It is not an unprimeable number, because it can be changed into a prime (1326252559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624902 + ... + 1625717.

It is an arithmetic number, because the mean of its divisors is an integer number (109708425).

Almost surely, 2^1326252552 is an apocalyptic number.

1326252552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1326252552 is an abundant number, since it is smaller than the sum of its proper divisors (2184417048).

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

1326252552 is a wasteful number, since it uses less digits than its factorization.

1326252552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250645 (or 3250641 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 1326252552 is about 36417.7505071359. The cubic root of 1326252552 is about 1098.6906050537.

Adding to 1326252552 its reverse (2552526231), we get a palindrome (3878778783).

The spelling of 1326252552 in words is "one billion, three hundred twenty-six million, two hundred fifty-two thousand, five hundred fifty-two".