457901681 has 8 divisors (see below), whose sum is σ = 487378944. Its totient is φ = 428706880.

The previous prime is 457901669. The next prime is 457901699. The reversal of 457901681 is 186109754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457901681 - 2¹⁸ = 457639537 is a prime.

It is a super-2 number, since 2×457901681² = 419347898925251522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457901581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67265 + ... + 73758.

It is an arithmetic number, because the mean of its divisors is an integer number (60922368).

Almost surely, 2^457901681 is an apocalyptic number.

It is an amenable number.

457901681 is a deficient number, since it is larger than the sum of its proper divisors (29477263).

457901681 is a wasteful number, since it uses less digits than its factorization.

457901681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141231.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 457901681 is about 21398.6373631594. The cubic root of 457901681 is about 770.7687162028.

The spelling of 457901681 in words is "four hundred fifty-seven million, nine hundred one thousand, six hundred eighty-one".