457284497 has 4 divisors (see below), whose sum is σ = 457336320. Its totient is φ = 457232676.

The previous prime is 457284473. The next prime is 457284511. The reversal of 457284497 is 794482754.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 457284497 - 2¹² = 457280401 is a prime.

It is a super-2 number, since 2×457284497² = 418218222393086018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457284407) 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, 8993 + ... + 31550.

It is an arithmetic number, because the mean of its divisors is an integer number (114334080).

Almost surely, 2^457284497 is an apocalyptic number.

It is an amenable number.

457284497 is a deficient number, since it is larger than the sum of its proper divisors (51823).

457284497 is a wasteful number, since it uses less digits than its factorization.

457284497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51822.

The product of its digits is 2257920, while the sum is 50.

The square root of 457284497 is about 21384.2113953262. The cubic root of 457284497 is about 770.4222662795.

The spelling of 457284497 in words is "four hundred fifty-seven million, two hundred eighty-four thousand, four hundred ninety-seven".