1050353561 has 4 divisors (see below), whose sum is σ = 1074780432. Its totient is φ = 1025926692.

The previous prime is 1050353537. The next prime is 1050353617. The reversal of 1050353561 is 1653530501.

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-1050353561 is a prime.

It is a super-2 number, since 2×1050353561² = 2206485206210761442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050353531) 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 in 3 ways as a sum of consecutive naturals, for example, 12213371 + ... + 12213456.

It is an arithmetic number, because the mean of its divisors is an integer number (268695108).

Almost surely, 2^1050353561 is an apocalyptic number.

It is an amenable number.

1050353561 is a deficient number, since it is larger than the sum of its proper divisors (24426871).

1050353561 is an equidigital number, since it uses as much as digits as its factorization.

1050353561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24426870.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 1050353561 is about 32409.1585975323. The cubic root of 1050353561 is about 1016.5104259529.

The spelling of 1050353561 in words is "one billion, fifty million, three hundred fifty-three thousand, five hundred sixty-one".