50405125 has 8 divisors (see below), whose sum is σ = 62905752. Its totient is φ = 40324000.

The previous prime is 50405099. The next prime is 50405129. The reversal of 50405125 is 52150405.

It can be written as a sum of positive squares in 4 ways, for example, as 1503076 + 48902049 = 1226^2 + 6993^2 .

It is not a de Polignac number, because 50405125 - 2⁷ = 50404997 is a prime.

It is a super-3 number, since 3×50405125³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50405096 and 50405105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50405129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201496 + ... + 201745.

It is an arithmetic number, because the mean of its divisors is an integer number (7863219).

Almost surely, 2^50405125 is an apocalyptic number.

It is an amenable number.

50405125 is a deficient number, since it is larger than the sum of its proper divisors (12500627).

50405125 is an equidigital number, since it uses as much as digits as its factorization.

50405125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403256 (or 403246 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 50405125 is about 7099.6566818403. The cubic root of 50405125 is about 369.3954700860.

The spelling of 50405125 in words is "fifty million, four hundred five thousand, one hundred twenty-five".