1306553041 has 4 divisors (see below), whose sum is σ = 1313852400. Its totient is φ = 1299253684.

The previous prime is 1306553033. The next prime is 1306553077. The reversal of 1306553041 is 1403556031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1306553041 - 2³ = 1306553033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306553021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3649411 + ... + 3649768.

It is an arithmetic number, because the mean of its divisors is an integer number (328463100).

Almost surely, 2^1306553041 is an apocalyptic number.

It is an amenable number.

1306553041 is a deficient number, since it is larger than the sum of its proper divisors (7299359).

1306553041 is an equidigital number, since it uses as much as digits as its factorization.

1306553041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299358.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1306553041 is about 36146.2728507380. The cubic root of 1306553041 is about 1093.2236416966.

The spelling of 1306553041 in words is "one billion, three hundred six million, five hundred fifty-three thousand, forty-one".