456427 has 2 divisors, whose sum is σ = 456428. Its totient is φ = 456426.

The previous prime is 456409. The next prime is 456439. The reversal of 456427 is 724654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 456427 - 2¹¹ = 454379 is a prime.

456427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 456395 and 456404.

It is not a weakly prime, because it can be changed into another prime (456457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228213 + 228214.

It is an arithmetic number, because the mean of its divisors is an integer number (228214).

2⁴⁵⁶⁴²⁷ is an apocalyptic number.

456427 is a deficient number, since it is larger than the sum of its proper divisors (1).

456427 is an equidigital number, since it uses as much as digits as its factorization.

456427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 456427 is about 675.5938128787. The cubic root of 456427 is about 76.9940401302.

The spelling of 456427 in words is "four hundred fifty-six thousand, four hundred twenty-seven".