1300621652 has 24 divisors (see below), whose sum is σ = 2629065600. Its totient is φ = 556415360.

The previous prime is 1300621631. The next prime is 1300621661. The reversal of 1300621652 is 2561260031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868652 + ... + 870147.

It is an arithmetic number, because the mean of its divisors is an integer number (109544400).

Almost surely, 2^1300621652 is an apocalyptic number.

It is an amenable number.

1300621652 is an abundant number, since it is smaller than the sum of its proper divisors (1328443948).

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

1300621652 is a wasteful number, since it uses less digits than its factorization.

1300621652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738831 (or 1738829 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1300621652 is about 36064.1324864470. The cubic root of 1300621652 is about 1091.5668211255.

Adding to 1300621652 its reverse (2561260031), we get a palindrome (3861881683).

The spelling of 1300621652 in words is "one billion, three hundred million, six hundred twenty-one thousand, six hundred fifty-two".