4919657 has 2 divisors, whose sum is σ = 4919658. Its totient is φ = 4919656.

The previous prime is 4919639. The next prime is 4919671. The reversal of 4919657 is 7569194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4116841 + 802816 = 2029^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 4919657 - 2¹⁰ = 4918633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4949657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459828 + 2459829.

It is an arithmetic number, because the mean of its divisors is an integer number (2459829).

Almost surely, 2^4919657 is an apocalyptic number.

It is an amenable number.

4919657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4919657 is an equidigital number, since it uses as much as digits as its factorization.

4919657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 4919657 is about 2218.0299817631. The cubic root of 4919657 is about 170.0767473537.

The spelling of 4919657 in words is "four million, nine hundred nineteen thousand, six hundred fifty-seven".