4928257 has 4 divisors (see below), whose sum is σ = 4990720. Its totient is φ = 4865796.

The previous prime is 4928237. The next prime is 4928267. The reversal of 4928257 is 7528294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4928257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4928207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31113 + ... + 31270.

It is an arithmetic number, because the mean of its divisors is an integer number (1247680).

Almost surely, 2^4928257 is an apocalyptic number.

It is an amenable number.

4928257 is a deficient number, since it is larger than the sum of its proper divisors (62463).

4928257 is an equidigital number, since it uses as much as digits as its factorization.

4928257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62462.

The product of its digits is 40320, while the sum is 37.

The square root of 4928257 is about 2219.9677925592. The cubic root of 4928257 is about 170.1757927795.

Adding to 4928257 its sum of digits (37), we get a palindrome (4928294).

The spelling of 4928257 in words is "four million, nine hundred twenty-eight thousand, two hundred fifty-seven".