4087025 has 6 divisors (see below), whose sum is σ = 5067942. Its totient is φ = 3269600.

The previous prime is 4087019. The next prime is 4087037. The reversal of 4087025 is 5207804.

It can be written as a sum of positive squares in 3 ways, for example, as 929296 + 3157729 = 964^2 + 1777^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4087025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4086985 and 4087003.

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, 81716 + ... + 81765.

It is an arithmetic number, because the mean of its divisors is an integer number (844657).

Almost surely, 2^4087025 is an apocalyptic number.

It is an amenable number.

4087025 is a deficient number, since it is larger than the sum of its proper divisors (980917).

4087025 is a wasteful number, since it uses less digits than its factorization.

4087025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163491 (or 163486 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 4087025 is about 2021.6391864030. The cubic root of 4087025 is about 159.8830525623.

The spelling of 4087025 in words is "four million, eighty-seven thousand, twenty-five".