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630060481 is a prime number
BaseRepresentation
bin100101100011011…
…111010111000001
31121220120101111101
4211203133113001
52242243413411
6142304214401
721420266011
oct4543372701
91556511441
10630060481
112a371a846
1215700a401
13a06c226b
145d96dc41
153a4a98c1
hex258df5c1

630060481 has 2 divisors, whose sum is σ = 630060482. Its totient is φ = 630060480.

The previous prime is 630060359. The next prime is 630060491. The reversal of 630060481 is 184060036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621006400 + 9054081 = 24920^2 + 3009^2 .

It is a cyclic number.

It is not a de Polignac number, because 630060481 - 217 = 629929409 is a prime.

It is a super-2 number, since 2×6300604812 = 793952419435902722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (630060491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315030240 + 315030241.

It is an arithmetic number, because the mean of its divisors is an integer number (315030241).

Almost surely, 2630060481 is an apocalyptic number.

It is an amenable number.

630060481 is a deficient number, since it is larger than the sum of its proper divisors (1).

630060481 is an equidigital number, since it uses as much as digits as its factorization.

630060481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 630060481 is about 25101.0055774664. The cubic root of 630060481 is about 857.2893201875.

The spelling of 630060481 in words is "six hundred thirty million, sixty thousand, four hundred eighty-one".