4763981 has 2 divisors, whose sum is σ = 4763982. Its totient is φ = 4763980.

The previous prime is 4763971. The next prime is 4764037. The reversal of 4763981 is 1893674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3575881 + 1188100 = 1891^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 4763981 - 2¹⁰ = 4762957 is a prime.

It is a super-2 number, since 2×4763981² = 45391029936722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4763971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2381990 + 2381991.

It is an arithmetic number, because the mean of its divisors is an integer number (2381991).

Almost surely, 2^4763981 is an apocalyptic number.

It is an amenable number.

4763981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4763981 is an equidigital number, since it uses as much as digits as its factorization.

4763981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 4763981 is about 2182.6545764275. The cubic root of 4763981 is about 168.2635343292.

The spelling of 4763981 in words is "four million, seven hundred sixty-three thousand, nine hundred eighty-one".