4125254009 has 4 divisors (see below), whose sum is σ = 4125398160. Its totient is φ = 4125109860.

The previous prime is 4125253969. The next prime is 4125254011. The reversal of 4125254009 is 9004525214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9004525214 = 2 ⋅4502262607.

It is a cyclic number.

It is not a de Polignac number, because 4125254009 - 2⁸ = 4125253753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4125253009) 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, 13019 + ... + 91760.

It is an arithmetic number, because the mean of its divisors is an integer number (1031349540).

Almost surely, 2^4125254009 is an apocalyptic number.

It is an amenable number.

4125254009 is a deficient number, since it is larger than the sum of its proper divisors (144151).

4125254009 is a wasteful number, since it uses less digits than its factorization.

4125254009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144150.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 4125254009 is about 64228.1403202677. The cubic root of 4125254009 is about 1603.8000832147.

The spelling of 4125254009 in words is "four billion, one hundred twenty-five million, two hundred fifty-four thousand, nine".