900585043 has 2 divisors, whose sum is σ = 900585044. Its totient is φ = 900585042.

The previous prime is 900585019. The next prime is 900585071. The reversal of 900585043 is 340585009.

It is a weak prime.

It is an emirp because it is prime and its reverse (340585009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900585043 - 2⁵ = 900585011 is a prime.

It is a super-2 number, since 2×900585043² = 1622106839350623698, which contains 22 as substring.

It is equal to p_46037680 and since 900585043 and 46037680 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (900585073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450292521 + 450292522.

It is an arithmetic number, because the mean of its divisors is an integer number (450292522).

Almost surely, 2^900585043 is an apocalyptic number.

900585043 is a deficient number, since it is larger than the sum of its proper divisors (1).

900585043 is an equidigital number, since it uses as much as digits as its factorization.

900585043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 900585043 is about 30009.7491325736. The cubic root of 900585043 is about 965.6985440339.

Subtracting from 900585043 its sum of digits (34), we obtain a palindrome (900585009).

The spelling of 900585043 in words is "nine hundred million, five hundred eighty-five thousand, forty-three".