1063001621 has 4 divisors (see below), whose sum is σ = 1159638144. Its totient is φ = 966365100.

The previous prime is 1063001609. The next prime is 1063001623. The reversal of 1063001621 is 1261003601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063001621 is a prime.

It is a super-2 number, since 2×1063001621² = 2259944892497255282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1063001593 and 1063001602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063001623) 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, 48318245 + ... + 48318266.

It is an arithmetic number, because the mean of its divisors is an integer number (289909536).

Almost surely, 2^1063001621 is an apocalyptic number.

1063001621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1063001621 is a deficient number, since it is larger than the sum of its proper divisors (96636523).

1063001621 is an equidigital number, since it uses as much as digits as its factorization.

1063001621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96636522.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1063001621 is about 32603.7056329491. The cubic root of 1063001621 is about 1020.5743340511.

The spelling of 1063001621 in words is "one billion, sixty-three million, one thousand, six hundred twenty-one".