4991325 has 24 divisors (see below), whose sum is σ = 8395296. Its totient is φ = 2616000.

The previous prime is 4991317. The next prime is 4991333. The reversal of 4991325 is 5231994.

It is an interprime number because it is at equal distance from previous prime (4991317) and next prime (4991333).

It is not a de Polignac number, because 4991325 - 2³ = 4991317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4030 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (349804).

Almost surely, 2^4991325 is an apocalyptic number.

It is an amenable number.

4991325 is a deficient number, since it is larger than the sum of its proper divisors (3403971).

4991325 is a wasteful number, since it uses less digits than its factorization.

4991325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1160 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 4991325 is about 2234.1273464152. The cubic root of 4991325 is about 170.8986438101.

The spelling of 4991325 in words is "four million, nine hundred ninety-one thousand, three hundred twenty-five".