4891313 has 8 divisors (see below), whose sum is σ = 5620032. Its totient is φ = 4170096.

The previous prime is 4891307. The next prime is 4891331. The reversal of 4891313 is 3131984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4891313 - 2⁴ = 4891297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4891333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 3152.

It is an arithmetic number, because the mean of its divisors is an integer number (702504).

Almost surely, 2^4891313 is an apocalyptic number.

It is an amenable number.

4891313 is a deficient number, since it is larger than the sum of its proper divisors (728719).

4891313 is a wasteful number, since it uses less digits than its factorization.

4891313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751.

The product of its digits is 2592, while the sum is 29.

The square root of 4891313 is about 2211.6312983859. The cubic root of 4891313 is about 169.7494926322.

The spelling of 4891313 in words is "four million, eight hundred ninety-one thousand, three hundred thirteen".