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633007481 is a prime number
BaseRepresentation
bin100101101110101…
…110110101111001
31122010010010000112
4211232232311321
52244022214411
6142451314105
721454321601
oct4556566571
91563103015
10633007481
112a5352987
12157bab935
13a11b4752
14600d9c01
153a88cb8b
hex25baed79

633007481 has 2 divisors, whose sum is σ = 633007482. Its totient is φ = 633007480.

The previous prime is 633007471. The next prime is 633007517. The reversal of 633007481 is 184700336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384787456 + 248220025 = 19616^2 + 15755^2 .

It is a cyclic number.

It is not a de Polignac number, because 633007481 - 214 = 632991097 is a prime.

It is a super-2 number, since 2×6330074812 = 801396942003930722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (633007451) 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, 316503740 + 316503741.

It is an arithmetic number, because the mean of its divisors is an integer number (316503741).

Almost surely, 2633007481 is an apocalyptic number.

It is an amenable number.

633007481 is a deficient number, since it is larger than the sum of its proper divisors (1).

633007481 is an equidigital number, since it uses as much as digits as its factorization.

633007481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 633007481 is about 25159.6399219067. The cubic root of 633007481 is about 858.6238496613.

The spelling of 633007481 in words is "six hundred thirty-three million, seven thousand, four hundred eighty-one".