4995001 has 6 divisors (see below), whose sum is σ = 5490506. Its totient is φ = 4540800.

The previous prime is 4994993. The next prime is 4995007. The reversal of 4995001 is 1005994.

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 853776 = 2035^2 + 924^2 .

It is not a de Polignac number, because 4995001 - 2³ = 4994993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4995007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20520 + ... + 20761.

Almost surely, 2^4995001 is an apocalyptic number.

4995001 is the 1000-th centered decagonal number.

It is an amenable number.

4995001 is a deficient number, since it is larger than the sum of its proper divisors (495505).

4995001 is a wasteful number, since it uses less digits than its factorization.

4995001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41303 (or 41292 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 4995001 is about 2234.9498875814. The cubic root of 4995001 is about 170.9405878666.

The spelling of 4995001 in words is "four million, nine hundred ninety-five thousand, one".