4457497 has 4 divisors (see below), whose sum is σ = 4862736. Its totient is φ = 4052260.

The previous prime is 4457491. The next prime is 4457507. The reversal of 4457497 is 7947544.

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 not a de Polignac number, because 4457497 - 2³ = 4457489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4457491) 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, 202603 + ... + 202624.

It is an arithmetic number, because the mean of its divisors is an integer number (1215684).

Almost surely, 2^4457497 is an apocalyptic number.

It is an amenable number.

4457497 is a deficient number, since it is larger than the sum of its proper divisors (405239).

4457497 is a wasteful number, since it uses less digits than its factorization.

4457497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405238.

The product of its digits is 141120, while the sum is 40.

The square root of 4457497 is about 2111.2785226019. The cubic root of 4457497 is about 164.5749328334.

The spelling of 4457497 in words is "four million, four hundred fifty-seven thousand, four hundred ninety-seven".