1263488351 has 2 divisors, whose sum is σ = 1263488352. Its totient is φ = 1263488350.

The previous prime is 1263488323. The next prime is 1263488377. The reversal of 1263488351 is 1538843621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1263488351 - 2⁶ = 1263488287 is a prime.

It is a super-2 number, since 2×1263488351² = 3192805626225398402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1263488299 and 1263488308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263488851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631744175 + 631744176.

It is an arithmetic number, because the mean of its divisors is an integer number (631744176).

Almost surely, 2^1263488351 is an apocalyptic number.

1263488351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263488351 is an equidigital number, since it uses as much as digits as its factorization.

1263488351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 1263488351 is about 35545.5813147007. The cubic root of 1263488351 is about 1081.0781274874.

The spelling of 1263488351 in words is "one billion, two hundred sixty-three million, four hundred eighty-eight thousand, three hundred fifty-one".