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62921 is a prime number
BaseRepresentation
bin1111010111001001
310012022102
433113021
54003141
61203145
7351305
oct172711
9105272
1062921
1143301
12304b5
1322841
1418d05
151399b
hexf5c9

62921 has 2 divisors, whose sum is σ = 62922. Its totient is φ = 62920.

The previous prime is 62903. The next prime is 62927. The reversal of 62921 is 12926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55696 + 7225 = 236^2 + 85^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-62921 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 62893 and 62902.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 62921.

It is not a weakly prime, because it can be changed into another prime (62927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31460 + 31461.

It is an arithmetic number, because the mean of its divisors is an integer number (31461).

262921 is an apocalyptic number.

It is an amenable number.

62921 is a deficient number, since it is larger than the sum of its proper divisors (1).

62921 is an equidigital number, since it uses as much as digits as its factorization.

62921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 62921 is about 250.8405868276. The cubic root of 62921 is about 39.7739330840.

The spelling of 62921 in words is "sixty-two thousand, nine hundred twenty-one".