1301532530 has 8 divisors (see below), whose sum is σ = 2342758572. Its totient is φ = 520613008.

The previous prime is 1301532523. The next prime is 1301532569. The reversal of 1301532530 is 352351031.

It can be written as a sum of positive squares in 2 ways, for example, as 1256064481 + 45468049 = 35441^2 + 6743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1301532496 and 1301532505.

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, 65076617 + ... + 65076636.

Almost surely, 2^1301532530 is an apocalyptic number.

1301532530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301532530 is a deficient number, since it is larger than the sum of its proper divisors (1041226042).

1301532530 is a wasteful number, since it uses less digits than its factorization.

1301532530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130153260.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1301532530 is about 36076.7588621816. The cubic root of 1301532530 is about 1091.8215844738.

Adding to 1301532530 its reverse (352351031), we get a palindrome (1653883561).

The spelling of 1301532530 in words is "one billion, three hundred one million, five hundred thirty-two thousand, five hundred thirty".