4166501 has 2 divisors, whose sum is σ = 4166502. Its totient is φ = 4166500.

The previous prime is 4166497. The next prime is 4166507. The reversal of 4166501 is 1056614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4060225 + 106276 = 2015^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 4166501 - 2² = 4166497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4166507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083250 + 2083251.

It is an arithmetic number, because the mean of its divisors is an integer number (2083251).

Almost surely, 2^4166501 is an apocalyptic number.

It is an amenable number.

4166501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166501 is an equidigital number, since it uses as much as digits as its factorization.

4166501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4166501 is about 2041.2008720359. The cubic root of 4166501 is about 160.9127647472.

The spelling of 4166501 in words is "four million, one hundred sixty-six thousand, five hundred one".