39287161 has 2 divisors, whose sum is σ = 39287162. Its totient is φ = 39287160.

The previous prime is 39287107. The next prime is 39287167. The reversal of 39287161 is 16178293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26327161 + 12960000 = 5131^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 39287161 - 2⁷ = 39287033 is a prime.

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 39287161.

It is not a weakly prime, because it can be changed into another prime (39287167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19643580 + 19643581.

It is an arithmetic number, because the mean of its divisors is an integer number (19643581).

Almost surely, 2^39287161 is an apocalyptic number.

It is an amenable number.

39287161 is a deficient number, since it is larger than the sum of its proper divisors (1).

39287161 is an equidigital number, since it uses as much as digits as its factorization.

39287161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 39287161 is about 6267.9471120934. The cubic root of 39287161 is about 339.9514377008.

The spelling of 39287161 in words is "thirty-nine million, two hundred eighty-seven thousand, one hundred sixty-one".