1050045521 has 8 divisors (see below), whose sum is σ = 1219725504. Its totient is φ = 885283920.

The previous prime is 1050045499. The next prime is 1050045523. The reversal of 1050045521 is 1255400501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1050045521 - 2⁶ = 1050045457 is a prime.

It is a super-2 number, since 2×1050045521² = 2205191192344322882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050045523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229135 + ... + 1229988.

It is an arithmetic number, because the mean of its divisors is an integer number (152465688).

Almost surely, 2^1050045521 is an apocalyptic number.

It is an amenable number.

1050045521 is a deficient number, since it is larger than the sum of its proper divisors (169679983).

1050045521 is an equidigital number, since it uses as much as digits as its factorization.

1050045521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459191.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1050045521 is about 32404.4058887059. The cubic root of 1050045521 is about 1016.4110446593.

The spelling of 1050045521 in words is "one billion, fifty million, forty-five thousand, five hundred twenty-one".