200439451 has 2 divisors, whose sum is σ = 200439452. Its totient is φ = 200439450.

The previous prime is 200439433. The next prime is 200439467. The reversal of 200439451 is 154934002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200439451 - 2⁹ = 200438939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200439431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100219725 + 100219726.

It is an arithmetic number, because the mean of its divisors is an integer number (100219726).

Almost surely, 2^200439451 is an apocalyptic number.

200439451 is a deficient number, since it is larger than the sum of its proper divisors (1).

200439451 is an equidigital number, since it uses as much as digits as its factorization.

200439451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 200439451 is about 14157.6640375452. The cubic root of 200439451 is about 585.2315551546.

It can be divided in two parts, 20043945 and 1, that added together give a triangular number (20043946 = T₆₃₃₁).

The spelling of 200439451 in words is "two hundred million, four hundred thirty-nine thousand, four hundred fifty-one".