457483421 has 4 divisors (see below), whose sum is σ = 457854492. Its totient is φ = 457112352.

The previous prime is 457483373. The next prime is 457483423. The reversal of 457483421 is 124384754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 422508025 + 34975396 = 20555^2 + 5914^2 .

It is a cyclic number.

It is not a de Polignac number, because 457483421 - 2¹⁴ = 457467037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457483423) 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, 183680 + ... + 186153.

It is an arithmetic number, because the mean of its divisors is an integer number (114463623).

Almost surely, 2^457483421 is an apocalyptic number.

It is an amenable number.

457483421 is a deficient number, since it is larger than the sum of its proper divisors (371071).

457483421 is a wasteful number, since it uses less digits than its factorization.

457483421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371070.

The product of its digits is 107520, while the sum is 38.

The square root of 457483421 is about 21388.8620781939. The cubic root of 457483421 is about 770.5339642579.

The spelling of 457483421 in words is "four hundred fifty-seven million, four hundred eighty-three thousand, four hundred twenty-one".