457481081 has 2 divisors, whose sum is σ = 457481082. Its totient is φ = 457481080.

The previous prime is 457481077. The next prime is 457481137. The reversal of 457481081 is 180184754.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417589225 + 39891856 = 20435^2 + 6316^2 .

It is a cyclic number.

It is not a de Polignac number, because 457481081 - 2² = 457481077 is a prime.

It is a super-2 number, since 2×457481081² = 418577878945857122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (457481041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228740540 + 228740541.

It is an arithmetic number, because the mean of its divisors is an integer number (228740541).

Almost surely, 2^457481081 is an apocalyptic number.

It is an amenable number.

457481081 is a deficient number, since it is larger than the sum of its proper divisors (1).

457481081 is an equidigital number, since it uses as much as digits as its factorization.

457481081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 457481081 is about 21388.8073767567. The cubic root of 457481081 is about 770.5326505108.

The spelling of 457481081 in words is "four hundred fifty-seven million, four hundred eighty-one thousand, eighty-one".