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133305533 is a prime number
BaseRepresentation
bin1111111001000…
…01010010111101
3100021211121210222
413330201102331
5233111234113
621121111125
73206035604
oct774412275
9307747728
10133305533
116927a469
12387884a5
132180521a
14139c0a3b
15ba82e08
hex7f214bd

133305533 has 2 divisors, whose sum is σ = 133305534. Its totient is φ = 133305532.

The previous prime is 133305511. The next prime is 133305569. The reversal of 133305533 is 335503331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120077764 + 13227769 = 10958^2 + 3637^2 .

It is a cyclic number.

It is not a de Polignac number, because 133305533 - 224 = 116528317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133305503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66652766 + 66652767.

It is an arithmetic number, because the mean of its divisors is an integer number (66652767).

Almost surely, 2133305533 is an apocalyptic number.

It is an amenable number.

133305533 is a deficient number, since it is larger than the sum of its proper divisors (1).

133305533 is an equidigital number, since it uses as much as digits as its factorization.

133305533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 26.

The square root of 133305533 is about 11545.8015312927. The cubic root of 133305533 is about 510.8374463650.

Adding to 133305533 its reverse (335503331), we get a palindrome (468808864).

The spelling of 133305533 in words is "one hundred thirty-three million, three hundred five thousand, five hundred thirty-three".