1050207521 has 12 divisors (see below), whose sum is σ = 1222266276. Its totient is φ = 898571520.

The previous prime is 1050207517. The next prime is 1050207541. The reversal of 1050207521 is 1257020501.

It is a happy number.

1050207521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 329821921 + 720385600 = 18161^2 + 26840^2 .

It is not a de Polignac number, because 1050207521 - 2² = 1050207517 is a prime.

It is a super-2 number, since 2×1050207521² = 2205871674329930882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050207541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253220 + ... + 257333.

It is an arithmetic number, because the mean of its divisors is an integer number (101855523).

Almost surely, 2^1050207521 is an apocalyptic number.

1050207521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1050207521 is a deficient number, since it is larger than the sum of its proper divisors (172058755).

1050207521 is a wasteful number, since it uses less digits than its factorization.

1050207521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510592 (or 510581 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1050207521 is about 32406.9054523878. The cubic root of 1050207521 is about 1016.4633122734.

The spelling of 1050207521 in words is "one billion, fifty million, two hundred seven thousand, five hundred twenty-one".