457482021 has 16 divisors (see below), whose sum is σ = 619710336. Its totient is φ = 300139776.

The previous prime is 457482013. The next prime is 457482049. The reversal of 457482021 is 120284754.

It is not a de Polignac number, because 457482021 - 2³ = 457482013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457482071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108081 + ... + 112233.

It is an arithmetic number, because the mean of its divisors is an integer number (38731896).

Almost surely, 2^457482021 is an apocalyptic number.

It is an amenable number.

457482021 is a deficient number, since it is larger than the sum of its proper divisors (162228315).

457482021 is a wasteful number, since it uses less digits than its factorization.

457482021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 457482021 is about 21388.8293508551. The cubic root of 457482021 is about 770.5331782559.

The spelling of 457482021 in words is "four hundred fifty-seven million, four hundred eighty-two thousand, twenty-one".