457491011 has 2 divisors, whose sum is σ = 457491012. Its totient is φ = 457491010.

The previous prime is 457491007. The next prime is 457491043. The reversal of 457491011 is 110194754.

It is a happy number.

It is an a-pointer prime, because the next prime (457491043) can be obtained adding 457491011 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457491011 - 2² = 457491007 is a prime.

It is a Chen prime.

It is equal to p_24228851 and since 457491011 and 24228851 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (457491911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228745505 + 228745506.

It is an arithmetic number, because the mean of its divisors is an integer number (228745506).

Almost surely, 2^457491011 is an apocalyptic number.

457491011 is a deficient number, since it is larger than the sum of its proper divisors (1).

457491011 is an equidigital number, since it uses as much as digits as its factorization.

457491011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 457491011 is about 21389.0395062518. The cubic root of 457491011 is about 770.5382254837.

The spelling of 457491011 in words is "four hundred fifty-seven million, four hundred ninety-one thousand, eleven".