1610565097 has 2 divisors, whose sum is σ = 1610565098. Its totient is φ = 1610565096.

The previous prime is 1610565079. The next prime is 1610565101. The reversal of 1610565097 is 7905650161.

Together with previous prime (1610565079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805651456 + 804913641 = 28384^2 + 28371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1610565097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610565017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805282548 + 805282549.

It is an arithmetic number, because the mean of its divisors is an integer number (805282549).

Almost surely, 2^1610565097 is an apocalyptic number.

It is an amenable number.

1610565097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610565097 is an equidigital number, since it uses as much as digits as its factorization.

1610565097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 1610565097 is about 40131.8464190224. The cubic root of 1610565097 is about 1172.1758272026.

The spelling of 1610565097 in words is "one billion, six hundred ten million, five hundred sixty-five thousand, ninety-seven".