4155015 has 32 divisors (see below), whose sum is σ = 7142400. Its totient is φ = 2056320.

The previous prime is 4155013. The next prime is 4155017. The reversal of 4155015 is 5105514.

It is an interprime number because it is at equal distance from previous prime (4155013) and next prime (4155017).

It is not a de Polignac number, because 4155015 - 2¹ = 4155013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4154982 and 4155000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17266 + ... + 17504.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

Almost surely, 2^4155015 is an apocalyptic number.

4155015 is a deficient number, since it is larger than the sum of its proper divisors (2987385).

4155015 is a wasteful number, since it uses less digits than its factorization.

4155015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 4155015 is about 2038.3853904500. The cubic root of 4155015 is about 160.7647632624.

The spelling of 4155015 in words is "four million, one hundred fifty-five thousand, fifteen".