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60045521 is a prime number
BaseRepresentation
bin1110010100001…
…1100011010001
311011222121222012
43211003203101
5110332424041
65542552305
71326243554
oct345034321
9134877865
1060045521
11309920a8
1218138695
13c5948c3
147d9069b
1554113eb
hex39438d1

60045521 has 2 divisors, whose sum is σ = 60045522. Its totient is φ = 60045520.

The previous prime is 60045499. The next prime is 60045523. The reversal of 60045521 is 12554006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59830225 + 215296 = 7735^2 + 464^2 .

It is a cyclic number.

It is not a de Polignac number, because 60045521 - 218 = 59783377 is a prime.

It is a super-2 number, since 2×600455212 = 7210929184322882, which contains 22 as substring.

Together with 60045523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60045523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30022760 + 30022761.

It is an arithmetic number, because the mean of its divisors is an integer number (30022761).

Almost surely, 260045521 is an apocalyptic number.

It is an amenable number.

60045521 is a deficient number, since it is larger than the sum of its proper divisors (1).

60045521 is an equidigital number, since it uses as much as digits as its factorization.

60045521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 60045521 is about 7748.9045032185. The cubic root of 60045521 is about 391.5857439174.

Adding to 60045521 its reverse (12554006), we get a palindrome (72599527).

The spelling of 60045521 in words is "sixty million, forty-five thousand, five hundred twenty-one".