4981513 has 2 divisors, whose sum is σ = 4981514. Its totient is φ = 4981512.

The previous prime is 4981511. The next prime is 4981519. The reversal of 4981513 is 3151894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 2199289 = 1668^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4981513 - 2¹ = 4981511 is a prime.

Together with 4981511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4981511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490756 + 2490757.

It is an arithmetic number, because the mean of its divisors is an integer number (2490757).

Almost surely, 2^4981513 is an apocalyptic number.

It is an amenable number.

4981513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4981513 is an equidigital number, since it uses as much as digits as its factorization.

4981513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 4981513 is about 2231.9303304539. The cubic root of 4981513 is about 170.7865855564.

The spelling of 4981513 in words is "four million, nine hundred eighty-one thousand, five hundred thirteen".