456007421 has 4 divisors (see below), whose sum is σ = 462254172. Its totient is φ = 449760672.

The previous prime is 456007417. The next prime is 456007423. The reversal of 456007421 is 124700654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 309936025 + 146071396 = 17605^2 + 12086^2 .

It is a cyclic number.

It is not a de Polignac number, because 456007421 - 2² = 456007417 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 (456007423) 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 in 3 ways as a sum of consecutive naturals, for example, 3123266 + ... + 3123411.

It is an arithmetic number, because the mean of its divisors is an integer number (115563543).

Almost surely, 2^456007421 is an apocalyptic number.

It is an amenable number.

456007421 is a deficient number, since it is larger than the sum of its proper divisors (6246751).

456007421 is an equidigital number, since it uses as much as digits as its factorization.

456007421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246750.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 456007421 is about 21354.3302634384. The cubic root of 456007421 is about 769.7044016314.

The spelling of 456007421 in words is "four hundred fifty-six million, seven thousand, four hundred twenty-one".