9870061 has 2 divisors, whose sum is σ = 9870062. Its totient is φ = 9870060.

The previous prime is 9870017. The next prime is 9870067. The reversal of 9870061 is 1600789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 352836 = 3085^2 + 594^2 .

It is an emirp because it is prime and its reverse (1600789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9870061 - 2¹⁹ = 9345773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9870067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4935030 + 4935031.

It is an arithmetic number, because the mean of its divisors is an integer number (4935031).

Almost surely, 2^9870061 is an apocalyptic number.

It is an amenable number.

9870061 is a deficient number, since it is larger than the sum of its proper divisors (1).

9870061 is an equidigital number, since it uses as much as digits as its factorization.

9870061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 9870061 is about 3141.6653227230. The cubic root of 9870061 is about 214.5062475201.

The spelling of 9870061 in words is "nine million, eight hundred seventy thousand, sixty-one".