4087001 has 2 divisors, whose sum is σ = 4087002. Its totient is φ = 4087000.

The previous prime is 4086997. The next prime is 4087007. The reversal of 4087001 is 1007804.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 2027776 = 1435^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 4087001 - 2² = 4086997 is a prime.

It is not a weakly prime, because it can be changed into another prime (4087007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043500 + 2043501.

It is an arithmetic number, because the mean of its divisors is an integer number (2043501).

Almost surely, 2^4087001 is an apocalyptic number.

It is an amenable number.

4087001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4087001 is an equidigital number, since it uses as much as digits as its factorization.

4087001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 4087001 is about 2021.6332506169. The cubic root of 4087001 is about 159.8827396043.

The spelling of 4087001 in words is "four million, eighty-seven thousand, one".