4995905 has 4 divisors (see below), whose sum is σ = 5995092. Its totient is φ = 3996720.

The previous prime is 4995889. The next prime is 4995911. The reversal of 4995905 is 5095994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5095994 = 2 ⋅2547997.

It can be written as a sum of positive squares in 2 ways, for example, as 1336336 + 3659569 = 1156^2 + 1913^2 .

It is not a de Polignac number, because 4995905 - 2⁴ = 4995889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499586 + ... + 499595.

It is an arithmetic number, because the mean of its divisors is an integer number (1498773).

Almost surely, 2^4995905 is an apocalyptic number.

It is an amenable number.

4995905 is a deficient number, since it is larger than the sum of its proper divisors (999187).

4995905 is an equidigital number, since it uses as much as digits as its factorization.

4995905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999186.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 4995905 is about 2235.1521201028. The cubic root of 4995905 is about 170.9508995742.

The spelling of 4995905 in words is "four million, nine hundred ninety-five thousand, nine hundred five".