451800463 has 2 divisors, whose sum is σ = 451800464. Its totient is φ = 451800462.

The previous prime is 451800439. The next prime is 451800467. The reversal of 451800463 is 364008154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451800463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451800467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225900231 + 225900232.

It is an arithmetic number, because the mean of its divisors is an integer number (225900232).

Almost surely, 2^451800463 is an apocalyptic number.

451800463 is a deficient number, since it is larger than the sum of its proper divisors (1).

451800463 is an equidigital number, since it uses as much as digits as its factorization.

451800463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 451800463 is about 21255.5983919531. The cubic root of 451800463 is about 767.3300811120.

The spelling of 451800463 in words is "four hundred fifty-one million, eight hundred thousand, four hundred sixty-three".