1305152051 has 8 divisors (see below), whose sum is σ = 1491879264. Its totient is φ = 1118494080.

The previous prime is 1305152011. The next prime is 1305152077. The reversal of 1305152051 is 1502515031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1305152051 - 2¹⁸ = 1304889907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305152011) 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, 32741 + ... + 60681.

It is an arithmetic number, because the mean of its divisors is an integer number (186484908).

Almost surely, 2^1305152051 is an apocalyptic number.

1305152051 is a deficient number, since it is larger than the sum of its proper divisors (186727213).

1305152051 is an equidigital number, since it uses as much as digits as its factorization.

1305152051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34621.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1305152051 is about 36126.8881997883. Note that the first 3 decimals coincide. The cubic root of 1305152051 is about 1092.8327548616.

Adding to 1305152051 its reverse (1502515031), we get a palindrome (2807667082).

The spelling of 1305152051 in words is "one billion, three hundred five million, one hundred fifty-two thousand, fifty-one".