900006533 has 2 divisors, whose sum is σ = 900006534. Its totient is φ = 900006532.

The previous prime is 900006493. The next prime is 900006557. The reversal of 900006533 is 335600009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660592804 + 239413729 = 25702^2 + 15473^2 .

It is a cyclic number.

It is not a de Polignac number, because 900006533 - 2²⁴ = 883229317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900006593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450003266 + 450003267.

It is an arithmetic number, because the mean of its divisors is an integer number (450003267).

Almost surely, 2^900006533 is an apocalyptic number.

It is an amenable number.

900006533 is a deficient number, since it is larger than the sum of its proper divisors (1).

900006533 is an equidigital number, since it uses as much as digits as its factorization.

900006533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 900006533 is about 30000.1088831357. The cubic root of 900006533 is about 965.4917207267.

The spelling of 900006533 in words is "nine hundred million, six thousand, five hundred thirty-three".