4250925409 has 4 divisors (see below), whose sum is σ = 4251056580. Its totient is φ = 4250794240.

The previous prime is 4250925407. The next prime is 4250925431. The reversal of 4250925409 is 9045290524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2410515409 + 1840410000 = 49097^2 + 42900^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250925409 - 2¹ = 4250925407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4250925407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22137 + ... + 94825.

It is an arithmetic number, because the mean of its divisors is an integer number (1062764145).

Almost surely, 2^4250925409 is an apocalyptic number.

It is an amenable number.

4250925409 is a deficient number, since it is larger than the sum of its proper divisors (131171).

4250925409 is an equidigital number, since it uses as much as digits as its factorization.

4250925409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131170.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 4250925409 is about 65199.1212287405. The cubic root of 4250925409 is about 1619.9234593975.

The spelling of 4250925409 in words is "four billion, two hundred fifty million, nine hundred twenty-five thousand, four hundred nine".