1050020525 has 6 divisors (see below), whose sum is σ = 1302025482. Its totient is φ = 840016400.

The previous prime is 1050020513. The next prime is 1050020533. The reversal of 1050020525 is 5250200501.

It can be written as a sum of positive squares in 3 ways, for example, as 159415876 + 890604649 = 12626^2 + 29843^2 .

It is not a de Polignac number, because 1050020525 - 2⁴ = 1050020509 is a prime.

It is a super-2 number, since 2×1050020525² = 2205086205842551250, 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 = 1050020497 and 1050020506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21000386 + ... + 21000435.

It is an arithmetic number, because the mean of its divisors is an integer number (217004247).

Almost surely, 2^1050020525 is an apocalyptic number.

It is an amenable number.

1050020525 is a deficient number, since it is larger than the sum of its proper divisors (252004957).

1050020525 is an equidigital number, since it uses as much as digits as its factorization.

1050020525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42000831 (or 42000826 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1050020525 is about 32404.0201981174. The cubic root of 1050020525 is about 1016.4029794813.

The spelling of 1050020525 in words is "one billion, fifty million, twenty thousand, five hundred twenty-five".