1305262229 has 2 divisors, whose sum is σ = 1305262230. Its totient is φ = 1305262228.

The previous prime is 1305262219. The next prime is 1305262237. The reversal of 1305262229 is 9222625031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1299963025 + 5299204 = 36055^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305262229 - 2²⁰ = 1304213653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1305262195 and 1305262204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305262219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652631114 + 652631115.

It is an arithmetic number, because the mean of its divisors is an integer number (652631115).

Almost surely, 2^1305262229 is an apocalyptic number.

It is an amenable number.

1305262229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305262229 is an equidigital number, since it uses as much as digits as its factorization.

1305262229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1305262229 is about 36128.4130429223. The cubic root of 1305262229 is about 1092.8635054905.

The spelling of 1305262229 in words is "one billion, three hundred five million, two hundred sixty-two thousand, two hundred twenty-nine".