1363443252 has 24 divisors (see below), whose sum is σ = 3214167936. Its totient is φ = 449795328.

The previous prime is 1363443247. The next prime is 1363443259. The reversal of 1363443252 is 2523443631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363443259) 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, 584508 + ... + 586835.

It is an arithmetic number, because the mean of its divisors is an integer number (133923664).

Almost surely, 2^1363443252 is an apocalyptic number.

1363443252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1363443252 is an abundant number, since it is smaller than the sum of its proper divisors (1850724684).

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

1363443252 is a wasteful number, since it uses less digits than its factorization.

1363443252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171447 (or 1171445 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 1363443252 is about 36924.8324573044. The cubic root of 1363443252 is about 1108.8658849000.

Adding to 1363443252 its reverse (2523443631), we get a palindrome (3886886883).

The spelling of 1363443252 in words is "one billion, three hundred sixty-three million, four hundred forty-three thousand, two hundred fifty-two".