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6200981 is a prime number
BaseRepresentation
bin10111101001111010010101
3102200001010222
4113221322111
53041412411
6340524125
7103464443
oct27517225
912601128
106200981
113555986
1220b0645
131391627
14b75b93
158274db
hex5e9e95

6200981 has 2 divisors, whose sum is σ = 6200982. Its totient is φ = 6200980.

The previous prime is 6200951. The next prime is 6200989. The reversal of 6200981 is 1890026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5880625 + 320356 = 2425^2 + 566^2 .

It is a cyclic number.

It is not a de Polignac number, because 6200981 - 210 = 6199957 is a prime.

It is a super-2 number, since 2×62009812 = 76904330724722, 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 6200981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6200989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100490 + 3100491.

It is an arithmetic number, because the mean of its divisors is an integer number (3100491).

Almost surely, 26200981 is an apocalyptic number.

It is an amenable number.

6200981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6200981 is an equidigital number, since it uses as much as digits as its factorization.

6200981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 6200981 is about 2490.1769013466. The cubic root of 6200981 is about 183.7187436616.

The spelling of 6200981 in words is "six million, two hundred thousand, nine hundred eighty-one".