1300533530 has 32 divisors (see below), whose sum is σ = 2400753600. Its totient is φ = 506954880.

The previous prime is 1300533511. The next prime is 1300533539. The reversal of 1300533530 is 353350031.

It is a junction number, because it is equal to n+sod(n) for n = 1300533496 and 1300533505.

It is not an unprimeable number, because it can be changed into a prime (1300533539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695657 + ... + 697523.

It is an arithmetic number, because the mean of its divisors is an integer number (75023550).

Almost surely, 2^1300533530 is an apocalyptic number.

1300533530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1300533530 is a deficient number, since it is larger than the sum of its proper divisors (1100220070).

1300533530 is a wasteful number, since it uses less digits than its factorization.

1300533530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 1300533530 is about 36062.9107255640. The cubic root of 1300533530 is about 1091.5421679853.

Adding to 1300533530 its reverse (353350031), we get a palindrome (1653883561).

The spelling of 1300533530 in words is "one billion, three hundred million, five hundred thirty-three thousand, five hundred thirty".