4155061 has 2 divisors, whose sum is σ = 4155062. Its totient is φ = 4155060.

The previous prime is 4155049. The next prime is 4155077. The reversal of 4155061 is 1605514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 1674436 = 1575^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 4155061 - 2⁵ = 4155029 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4155161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077530 + 2077531.

It is an arithmetic number, because the mean of its divisors is an integer number (2077531).

Almost surely, 2^4155061 is an apocalyptic number.

It is an amenable number.

4155061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155061 is an equidigital number, since it uses as much as digits as its factorization.

4155061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 4155061 is about 2038.3966738591. The cubic root of 4155061 is about 160.7653565336.

It can be divided in two parts, 415 and 5061, that added together give a square (5476 = 74²).

The spelling of 4155061 in words is "four million, one hundred fifty-five thousand, sixty-one".