456453421 has 4 divisors (see below), whose sum is σ = 456560512. Its totient is φ = 456346332.

The previous prime is 456453419. The next prime is 456453427. The reversal of 456453421 is 124354654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 456453421 - 2¹ = 456453419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456453427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46875 + ... + 55768.

It is an arithmetic number, because the mean of its divisors is an integer number (114140128).

Almost surely, 2^456453421 is an apocalyptic number.

It is an amenable number.

456453421 is a deficient number, since it is larger than the sum of its proper divisors (107091).

456453421 is a wasteful number, since it uses less digits than its factorization.

456453421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107090.

The product of its digits is 57600, while the sum is 34.

The square root of 456453421 is about 21364.7705580940. The cubic root of 456453421 is about 769.9552574215.

The spelling of 456453421 in words is "four hundred fifty-six million, four hundred fifty-three thousand, four hundred twenty-one".