1430540263 has 2 divisors, whose sum is σ = 1430540264. Its totient is φ = 1430540262.

The previous prime is 1430540261. The next prime is 1430540299. The reversal of 1430540263 is 3620450341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1430540263 - 2¹ = 1430540261 is a prime.

Together with 1430540261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430540261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715270131 + 715270132.

It is an arithmetic number, because the mean of its divisors is an integer number (715270132).

Almost surely, 2^1430540263 is an apocalyptic number.

1430540263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430540263 is an equidigital number, since it uses as much as digits as its factorization.

1430540263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1430540263 is about 37822.4835646735. The cubic root of 1430540263 is about 1126.7650352453.

The spelling of 1430540263 in words is "one billion, four hundred thirty million, five hundred forty thousand, two hundred sixty-three".