1301563201 has 2 divisors, whose sum is σ = 1301563202. Its totient is φ = 1301563200.

The previous prime is 1301563147. The next prime is 1301563271. The reversal of 1301563201 is 1023651031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799758400 + 501804801 = 28280^2 + 22401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301563201 - 2¹¹ = 1301561153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301563271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650781600 + 650781601.

It is an arithmetic number, because the mean of its divisors is an integer number (650781601).

Almost surely, 2^1301563201 is an apocalyptic number.

It is an amenable number.

1301563201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301563201 is an equidigital number, since it uses as much as digits as its factorization.

1301563201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1301563201 is about 36077.1839394374. The cubic root of 1301563201 is about 1091.8301607728.

The spelling of 1301563201 in words is "one billion, three hundred one million, five hundred sixty-three thousand, two hundred one".