1034563261 has 2 divisors, whose sum is σ = 1034563262. Its totient is φ = 1034563260.

The previous prime is 1034563259. The next prime is 1034563267. The reversal of 1034563261 is 1623654301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615337636 + 419225625 = 24806^2 + 20475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034563261 - 2¹ = 1034563259 is a prime.

It is a super-2 number, since 2×1034563261² = 2140642282021908242, which contains 22 as substring.

Together with 1034563259, 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 (1034563267) 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, 517281630 + 517281631.

It is an arithmetic number, because the mean of its divisors is an integer number (517281631).

Almost surely, 2^1034563261 is an apocalyptic number.

It is an amenable number.

1034563261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034563261 is an equidigital number, since it uses as much as digits as its factorization.

1034563261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1034563261 is about 32164.6274811321. The cubic root of 1034563261 is about 1011.3908430360.

The spelling of 1034563261 in words is "one billion, thirty-four million, five hundred sixty-three thousand, two hundred sixty-one".