457486249 has 4 divisors (see below), whose sum is σ = 499075920. Its totient is φ = 415896580.

The previous prime is 457486247. The next prime is 457486273. The reversal of 457486249 is 942684754.

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 not a de Polignac number, because 457486249 - 2¹ = 457486247 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457486247) 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, 20794819 + ... + 20794840.

It is an arithmetic number, because the mean of its divisors is an integer number (124768980).

Almost surely, 2^457486249 is an apocalyptic number.

It is an amenable number.

457486249 is a deficient number, since it is larger than the sum of its proper divisors (41589671).

457486249 is a wasteful number, since it uses less digits than its factorization.

457486249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41589670.

The product of its digits is 1935360, while the sum is 49.

The square root of 457486249 is about 21388.9281872655. The cubic root of 457486249 is about 770.5355519771.

The spelling of 457486249 in words is "four hundred fifty-seven million, four hundred eighty-six thousand, two hundred forty-nine".