1300555345 has 8 divisors (see below), whose sum is σ = 1561596264. Its totient is φ = 1039824384.

The previous prime is 1300555343. The next prime is 1300555363. The reversal of 1300555345 is 5435550031.

It can be written as a sum of positive squares in 4 ways, for example, as 472497169 + 828058176 = 21737^2 + 28776^2 .

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 1300555345 - 2¹ = 1300555343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300555343) 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, 68154 + ... + 85123.

It is an arithmetic number, because the mean of its divisors is an integer number (195199533).

Almost surely, 2^1300555345 is an apocalyptic number.

It is an amenable number.

1300555345 is a deficient number, since it is larger than the sum of its proper divisors (261040919).

1300555345 is a wasteful number, since it uses less digits than its factorization.

1300555345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154979.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 1300555345 is about 36063.2131818561. The cubic root of 1300555345 is about 1091.5482710854.

The spelling of 1300555345 in words is "one billion, three hundred million, five hundred fifty-five thousand, three hundred forty-five".