1000650425 has 6 divisors (see below), whose sum is σ = 1240806558. Its totient is φ = 800520320.

The previous prime is 1000650401. The next prime is 1000650433. The reversal of 1000650425 is 5240560001.

It can be written as a sum of positive squares in 3 ways, for example, as 573049 + 1000077376 = 757^2 + 31624^2 .

It is not a de Polignac number, because 1000650425 - 2¹⁶ = 1000584889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000650425.

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, 20012984 + ... + 20013033.

It is an arithmetic number, because the mean of its divisors is an integer number (206801093).

Almost surely, 2^1000650425 is an apocalyptic number.

It is an amenable number.

1000650425 is a deficient number, since it is larger than the sum of its proper divisors (240156133).

1000650425 is an equidigital number, since it uses as much as digits as its factorization.

1000650425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40026027 (or 40026022 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1000650425 is about 31633.0590522004. The cubic root of 1000650425 is about 1000.2167613445.

The spelling of 1000650425 in words is "one billion, six hundred fifty thousand, four hundred twenty-five".