4000001501 has 2 divisors, whose sum is σ = 4000001502. Its totient is φ = 4000001500.

The previous prime is 4000001477. The next prime is 4000001521. The reversal of 4000001501 is 1051000004.

4000001501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3016865476 + 983136025 = 54926^2 + 31355^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000001501 - 2²² = 3995807197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000001521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000000750 + 2000000751.

It is an arithmetic number, because the mean of its divisors is an integer number (2000000751).

Almost surely, 2^4000001501 is an apocalyptic number.

It is an amenable number.

4000001501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000001501 is an equidigital number, since it uses as much as digits as its factorization.

4000001501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 4000001501 is about 63245.5650698134. The cubic root of 4000001501 is about 1587.4012505256.

Adding to 4000001501 its reverse (1051000004), we get a palindrome (5051001505).

The spelling of 4000001501 in words is "four billion, one thousand, five hundred one".