1001669425 has 12 divisors (see below), whose sum is σ = 1284901020. Its totient is φ = 773702720.

The previous prime is 1001669399. The next prime is 1001669467. The reversal of 1001669425 is 5249661001.

1001669425 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 6 ways, for example, as 46117681 + 955551744 = 6791^2 + 30912^2 .

It is not a de Polignac number, because 1001669425 - 2¹¹ = 1001667377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690082 + ... + 691531.

It is an arithmetic number, because the mean of its divisors is an integer number (107075085).

Almost surely, 2^1001669425 is an apocalyptic number.

It is an amenable number.

1001669425 is a deficient number, since it is larger than the sum of its proper divisors (283231595).

1001669425 is a wasteful number, since it uses less digits than its factorization.

1001669425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381652 (or 1381647 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1001669425 is about 31649.1615212789. The cubic root of 1001669425 is about 1000.5561656225.

The spelling of 1001669425 in words is "one billion, one million, six hundred sixty-nine thousand, four hundred twenty-five".