1303250089 has 2 divisors, whose sum is σ = 1303250090. Its totient is φ = 1303250088.

The previous prime is 1303250059. The next prime is 1303250099. The reversal of 1303250089 is 9800523031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 888516864 + 414733225 = 29808^2 + 20365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303250089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303250089.

It is not a weakly prime, because it can be changed into another prime (1303250059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651625044 + 651625045.

It is an arithmetic number, because the mean of its divisors is an integer number (651625045).

Almost surely, 2^1303250089 is an apocalyptic number.

It is an amenable number.

1303250089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303250089 is an equidigital number, since it uses as much as digits as its factorization.

1303250089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1303250089 is about 36100.5552450374. Note that the first 3 decimals coincide. The cubic root of 1303250089 is about 1092.3016451342.

The spelling of 1303250089 in words is "one billion, three hundred three million, two hundred fifty thousand, eighty-nine".