4045501 has 2 divisors, whose sum is σ = 4045502. Its totient is φ = 4045500.

The previous prime is 4045421. The next prime is 4045523. The reversal of 4045501 is 1055404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2802276 + 1243225 = 1674^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045501 - 2¹³ = 4037309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022750 + 2022751.

It is an arithmetic number, because the mean of its divisors is an integer number (2022751).

Almost surely, 2^4045501 is an apocalyptic number.

4045501 is the 900-th centered decagonal number.

It is an amenable number.

4045501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045501 is an equidigital number, since it uses as much as digits as its factorization.

4045501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4045501 is about 2011.3430836135. The cubic root of 4045501 is about 159.3397400403.

The spelling of 4045501 in words is "four million, forty-five thousand, five hundred one".