1301604263 has 8 divisors (see below), whose sum is σ = 1341068400. Its totient is φ = 1262692288.

The previous prime is 1301604217. The next prime is 1301604289. The reversal of 1301604263 is 3624061031.

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 1301604263 - 2¹⁴ = 1301587879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301604203) 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, 133253 + ... + 142686.

It is an arithmetic number, because the mean of its divisors is an integer number (167633550).

Almost surely, 2^1301604263 is an apocalyptic number.

1301604263 is a deficient number, since it is larger than the sum of its proper divisors (39464137).

1301604263 is an equidigital number, since it uses as much as digits as its factorization.

1301604263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276081.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1301604263 is about 36077.7530203864. The cubic root of 1301604263 is about 1091.8416424175.

Adding to 1301604263 its reverse (3624061031), we get a palindrome (4925665294).

The spelling of 1301604263 in words is "one billion, three hundred one million, six hundred four thousand, two hundred sixty-three".