457038427 has 2 divisors, whose sum is σ = 457038428. Its totient is φ = 457038426.

The previous prime is 457038401. The next prime is 457038457. The reversal of 457038427 is 724830754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457038427 - 2²³ = 448649819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457038427.

It is not a weakly prime, because it can be changed into another prime (457038457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228519213 + 228519214.

It is an arithmetic number, because the mean of its divisors is an integer number (228519214).

Almost surely, 2^457038427 is an apocalyptic number.

457038427 is a deficient number, since it is larger than the sum of its proper divisors (1).

457038427 is an equidigital number, since it uses as much as digits as its factorization.

457038427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 457038427 is about 21378.4570771606. The cubic root of 457038427 is about 770.2840504838.

The spelling of 457038427 in words is "four hundred fifty-seven million, thirty-eight thousand, four hundred twenty-seven".