4925781 has 24 divisors (see below), whose sum is σ = 8334144. Its totient is φ = 2744640.

The previous prime is 4925761. The next prime is 4925797. The reversal of 4925781 is 1875294.

It is not a de Polignac number, because 4925781 - 2⁷ = 4925653 is a prime.

It is a super-2 number, since 2×4925781² = 48526636919922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4925761) 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 23 ways as a sum of consecutive naturals, for example, 1630 + ... + 3536.

It is an arithmetic number, because the mean of its divisors is an integer number (347256).

Almost surely, 2^4925781 is an apocalyptic number.

4925781 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4925781 is a deficient number, since it is larger than the sum of its proper divisors (3408363).

4925781 is a wasteful number, since it uses less digits than its factorization.

4925781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1958 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4925781 is about 2219.4100567493. The cubic root of 4925781 is about 170.1472887299.

The spelling of 4925781 in words is "four million, nine hundred twenty-five thousand, seven hundred eighty-one".