4156525 has 12 divisors (see below), whose sum is σ = 5253012. Its totient is φ = 3261440.

The previous prime is 4156519. The next prime is 4156531. The reversal of 4156525 is 5256514.

It is an interprime number because it is at equal distance from previous prime (4156519) and next prime (4156531).

It can be written as a sum of positive squares in 6 ways, for example, as 481636 + 3674889 = 694^2 + 1917^2 .

It is not a de Polignac number, because 4156525 - 2¹⁷ = 4025453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4156493 and 4156502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (437751).

Almost surely, 2^4156525 is an apocalyptic number.

It is an amenable number.

4156525 is a deficient number, since it is larger than the sum of its proper divisors (1096487).

4156525 is a wasteful number, since it uses less digits than its factorization.

4156525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3195 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 4156525 is about 2038.7557479993. The cubic root of 4156525 is about 160.7842357466.

The spelling of 4156525 in words is "four million, one hundred fifty-six thousand, five hundred twenty-five".