4997457 has 20 divisors (see below), whose sum is σ = 7550400. Its totient is φ = 3293784.

The previous prime is 4997401. The next prime is 4997471. The reversal of 4997457 is 7547994.

It is not a de Polignac number, because 4997457 - 2⁶ = 4997393 is a prime.

4997457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4995457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8044 + ... + 8642.

It is an arithmetic number, because the mean of its divisors is an integer number (377520).

Almost surely, 2^4997457 is an apocalyptic number.

It is an amenable number.

4997457 is a deficient number, since it is larger than the sum of its proper divisors (2552943).

4997457 is a wasteful number, since it uses less digits than its factorization.

4997457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 705 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 4997457 is about 2235.4992730931. The cubic root of 4997457 is about 170.9685999593.

The spelling of 4997457 in words is "four million, nine hundred ninety-seven thousand, four hundred fifty-seven".