200906471 has 2 divisors, whose sum is σ = 200906472. Its totient is φ = 200906470.

The previous prime is 200906423. The next prime is 200906477. The reversal of 200906471 is 174609002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200906471 is a prime.

It is a super-3 number, since 3×200906471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200906477) 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 as a sum of consecutive naturals, namely, 100453235 + 100453236.

It is an arithmetic number, because the mean of its divisors is an integer number (100453236).

Almost surely, 2^200906471 is an apocalyptic number.

200906471 is a deficient number, since it is larger than the sum of its proper divisors (1).

200906471 is an equidigital number, since it uses as much as digits as its factorization.

200906471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 200906471 is about 14174.1479814485. The cubic root of 200906471 is about 585.6857286238.

The spelling of 200906471 in words is "two hundred million, nine hundred six thousand, four hundred seventy-one".