1259659403 has 2 divisors, whose sum is σ = 1259659404. Its totient is φ = 1259659402.

The previous prime is 1259659369. The next prime is 1259659417. The reversal of 1259659403 is 3049569521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1259659403 - 2²⁴ = 1242882187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1259659433) 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, 629829701 + 629829702.

It is an arithmetic number, because the mean of its divisors is an integer number (629829702).

Almost surely, 2^1259659403 is an apocalyptic number.

1259659403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1259659403 is an equidigital number, since it uses as much as digits as its factorization.

1259659403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 1259659403 is about 35491.6807576085. The cubic root of 1259659403 is about 1079.9849686408.

The spelling of 1259659403 in words is "one billion, two hundred fifty-nine million, six hundred fifty-nine thousand, four hundred three".