4050661325 has 6 divisors (see below), whose sum is σ = 5022820074. Its totient is φ = 3240529040.

The previous prime is 4050661313. The next prime is 4050661337. The reversal of 4050661325 is 5231660504.

It is an interprime number because it is at equal distance from previous prime (4050661313) and next prime (4050661337).

It can be written as a sum of positive squares in 3 ways, for example, as 780308356 + 3270352969 = 27934^2 + 57187^2 .

It is not a de Polignac number, because 4050661325 - 2⁴ = 4050661309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4050661291 and 4050661300.

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, 81013202 + ... + 81013251.

It is an arithmetic number, because the mean of its divisors is an integer number (837136679).

Almost surely, 2^4050661325 is an apocalyptic number.

It is an amenable number.

4050661325 is a deficient number, since it is larger than the sum of its proper divisors (972158749).

4050661325 is a wasteful number, since it uses less digits than its factorization.

4050661325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162026463 (or 162026458 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 4050661325 is about 63644.8059546103. The cubic root of 4050661325 is about 1594.0746098764.

The spelling of 4050661325 in words is "four billion, fifty million, six hundred sixty-one thousand, three hundred twenty-five".