4781057 has 2 divisors, whose sum is σ = 4781058. Its totient is φ = 4781056.

The previous prime is 4781047. The next prime is 4781089. The reversal of 4781057 is 7501874.

It is an a-pointer prime, because the next prime (4781089) can be obtained adding 4781057 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4477456 + 303601 = 2116^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 4781057 - 2¹⁰ = 4780033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4781017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390528 + 2390529.

It is an arithmetic number, because the mean of its divisors is an integer number (2390529).

Almost surely, 2^4781057 is an apocalyptic number.

It is an amenable number.

4781057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4781057 is an equidigital number, since it uses as much as digits as its factorization.

4781057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 4781057 is about 2186.5628278190. The cubic root of 4781057 is about 168.4643357146.

The spelling of 4781057 in words is "four million, seven hundred eighty-one thousand, fifty-seven".