4991753 has 6 divisors (see below), whose sum is σ = 5405454. Its totient is φ = 4607616.

The previous prime is 4991719. The next prime is 4991771. The reversal of 4991753 is 3571994.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 652864 + 4338889 = 808^2 + 2083^2 .

It is not a de Polignac number, because 4991753 - 2¹² = 4987657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4991153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14600 + ... + 14937.

It is an arithmetic number, because the mean of its divisors is an integer number (900909).

Almost surely, 2^4991753 is an apocalyptic number.

It is an amenable number.

4991753 is a deficient number, since it is larger than the sum of its proper divisors (413701).

4991753 is a wasteful number, since it uses less digits than its factorization.

4991753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29563 (or 29550 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 4991753 is about 2234.2231312024. The cubic root of 4991753 is about 170.9035284535.

The spelling of 4991753 in words is "four million, nine hundred ninety-one thousand, seven hundred fifty-three".