4997257 has 8 divisors (see below), whose sum is σ = 5176512. Its totient is φ = 4820400.

The previous prime is 4997243. The next prime is 4997273. The reversal of 4997257 is 7527994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4997257 - 2¹⁵ = 4964489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4997227) 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 in 7 ways as a sum of consecutive naturals, for example, 4332 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (647064).

Almost surely, 2^4997257 is an apocalyptic number.

It is an amenable number.

4997257 is a deficient number, since it is larger than the sum of its proper divisors (179255).

4997257 is a wasteful number, since it uses less digits than its factorization.

4997257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its digits is 158760, while the sum is 43.

The square root of 4997257 is about 2235.4545399091. The cubic root of 4997257 is about 170.9663191876.

The spelling of 4997257 in words is "four million, nine hundred ninety-seven thousand, two hundred fifty-seven".