4999457 has 2 divisors, whose sum is σ = 4999458. Its totient is φ = 4999456.

The previous prime is 4999453. The next prime is 4999469. The reversal of 4999457 is 7549994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3254416 + 1745041 = 1804^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 4999457 - 2² = 4999453 is a prime.

It is not a weakly prime, because it can be changed into another prime (4999453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499728 + 2499729.

It is an arithmetic number, because the mean of its divisors is an integer number (2499729).

Almost surely, 2^4999457 is an apocalyptic number.

It is an amenable number.

4999457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999457 is an equidigital number, since it uses as much as digits as its factorization.

4999457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 4999457 is about 2235.9465557119. The cubic root of 4999457 is about 170.9914043306.

The spelling of 4999457 in words is "four million, nine hundred ninety-nine thousand, four hundred fifty-seven".