4015125 has 48 divisors (see below), whose sum is σ = 7495488. Its totient is φ = 2066400.

The previous prime is 4015117. The next prime is 4015139. The reversal of 4015125 is 5215104.

It is not a de Polignac number, because 4015125 - 2³ = 4015117 is a prime.

It is a super-2 number, since 2×4015125² = 32242457531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4015098 and 4015107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48334 + ... + 48416.

It is an arithmetic number, because the mean of its divisors is an integer number (156156).

Almost surely, 2^4015125 is an apocalyptic number.

4015125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4015125 is a deficient number, since it is larger than the sum of its proper divisors (3480363).

4015125 is a wasteful number, since it uses less digits than its factorization.

4015125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 4015125 is about 2003.7776822791. Note that the first 3 decimals coincide. The cubic root of 4015125 is about 158.9399322170.

The spelling of 4015125 in words is "four million, fifteen thousand, one hundred twenty-five".