1063348621 has 4 divisors (see below), whose sum is σ = 1063545532. Its totient is φ = 1063151712.

The previous prime is 1063348613. The next prime is 1063348651. The reversal of 1063348621 is 1268433601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1268433601 = 23 ⋅55149287.

It can be written as a sum of positive squares in 2 ways, for example, as 850597225 + 212751396 = 29165^2 + 14586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063348621 - 2³ = 1063348613 is a prime.

It is a super-2 number, since 2×1063348621² = 2261420579565203282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063348651) 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 in 3 ways as a sum of consecutive naturals, for example, 90120 + ... + 101233.

It is an arithmetic number, because the mean of its divisors is an integer number (265886383).

Almost surely, 2^1063348621 is an apocalyptic number.

It is an amenable number.

1063348621 is a deficient number, since it is larger than the sum of its proper divisors (196911).

1063348621 is an equidigital number, since it uses as much as digits as its factorization.

1063348621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196910.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1063348621 is about 32609.0266797401. The cubic root of 1063348621 is about 1020.6853720650.

The spelling of 1063348621 in words is "one billion, sixty-three million, three hundred forty-eight thousand, six hundred twenty-one".