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62531081 is a prime number
BaseRepresentation
bin1110111010001…
…0011000001001
311100122220111222
43232202120021
5112001443311
610112131425
71356335234
oct356423011
9140586458
1062531081
113232a588
1218b36b75
13cc55052
14843a41b
155752adb
hex3ba2609

62531081 has 2 divisors, whose sum is σ = 62531082. Its totient is φ = 62531080.

The previous prime is 62531069. The next prime is 62531087. The reversal of 62531081 is 18013526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56866681 + 5664400 = 7541^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 62531081 - 26 = 62531017 is a prime.

It is a super-2 number, since 2×625310812 = 7820272182057122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 62531081.

It is not a weakly prime, because it can be changed into another prime (62531087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31265540 + 31265541.

It is an arithmetic number, because the mean of its divisors is an integer number (31265541).

Almost surely, 262531081 is an apocalyptic number.

It is an amenable number.

62531081 is a deficient number, since it is larger than the sum of its proper divisors (1).

62531081 is an equidigital number, since it uses as much as digits as its factorization.

62531081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 62531081 is about 7907.6596411328. The cubic root of 62531081 is about 396.9160361065.

The spelling of 62531081 in words is "sixty-two million, five hundred thirty-one thousand, eighty-one".