457028471 has 4 divisors (see below), whose sum is σ = 457095912. Its totient is φ = 456961032.

The previous prime is 457028437. The next prime is 457028479. The reversal of 457028471 is 174820754.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457028471 is a prime.

It is a super-3 number, since 3×457028471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457028479) 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, 22256 + ... + 37541.

It is an arithmetic number, because the mean of its divisors is an integer number (114273978).

Almost surely, 2^457028471 is an apocalyptic number.

457028471 is a deficient number, since it is larger than the sum of its proper divisors (67441).

457028471 is an equidigital number, since it uses as much as digits as its factorization.

457028471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67440.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 457028471 is about 21378.2242246638. The cubic root of 457028471 is about 770.2784572242.

The spelling of 457028471 in words is "four hundred fifty-seven million, twenty-eight thousand, four hundred seventy-one".