4925891 has 4 divisors (see below), whose sum is σ = 4943952. Its totient is φ = 4907832.

The previous prime is 4925881. The next prime is 4925923. The reversal of 4925891 is 1985294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4925891 - 2²² = 731587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4925831) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8615 + ... + 9168.

It is an arithmetic number, because the mean of its divisors is an integer number (1235988).

Almost surely, 2^4925891 is an apocalyptic number.

4925891 is a deficient number, since it is larger than the sum of its proper divisors (18061).

4925891 is a wasteful number, since it uses less digits than its factorization.

4925891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060.

The product of its digits is 25920, while the sum is 38.

The square root of 4925891 is about 2219.4348379711. The cubic root of 4925891 is about 170.1485552676.

The spelling of 4925891 in words is "four million, nine hundred twenty-five thousand, eight hundred ninety-one".