4999257 has 12 divisors (see below), whose sum is σ = 7535424. Its totient is φ = 3187800.

The previous prime is 4999243. The next prime is 4999273. The reversal of 4999257 is 7529994.

It is not a de Polignac number, because 4999257 - 2¹⁰ = 4998233 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 9⁴ + 9⁵ + 9⁷ + 2¹⁵ + 5 + 7⁶ .

It is not an unprimeable number, because it can be changed into a prime (4999217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11869 + ... + 12282.

It is an arithmetic number, because the mean of its divisors is an integer number (627952).

Almost surely, 2^4999257 is an apocalyptic number.

It is an amenable number.

4999257 is a deficient number, since it is larger than the sum of its proper divisors (2536167).

4999257 is a wasteful number, since it uses less digits than its factorization.

4999257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24180 (or 24177 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 4999257 is about 2235.9018314765. The cubic root of 4999257 is about 170.9891241672.

The spelling of 4999257 in words is "four million, nine hundred ninety-nine thousand, two hundred fifty-seven".