1324663652 has 12 divisors (see below), whose sum is σ = 2496481596. Its totient is φ = 611383200.

The previous prime is 1324663643. The next prime is 1324663661. The reversal of 1324663652 is 2563664231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1324663643) and next prime (1324663661).

It can be written as a sum of positive squares in 2 ways, for example, as 347225956 + 977437696 = 18634^2 + 31264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12737099 + ... + 12737202.

It is an arithmetic number, because the mean of its divisors is an integer number (208040133).

Almost surely, 2^1324663652 is an apocalyptic number.

It is an amenable number.

1324663652 is a deficient number, since it is larger than the sum of its proper divisors (1171817944).

1324663652 is a wasteful number, since it uses less digits than its factorization.

1324663652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25474318 (or 25474316 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 1324663652 is about 36395.9290580691. The cubic root of 1324663652 is about 1098.2516722864.

The spelling of 1324663652 in words is "one billion, three hundred twenty-four million, six hundred sixty-three thousand, six hundred fifty-two".