101025161 has 2 divisors, whose sum is σ = 101025162. Its totient is φ = 101025160.

The previous prime is 101025139. The next prime is 101025179. The reversal of 101025161 is 161520101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85470025 + 15555136 = 9245^2 + 3944^2 .

It is a cyclic number.

It is not a de Polignac number, because 101025161 - 2¹⁰ = 101024137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101025461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50512580 + 50512581.

It is an arithmetic number, because the mean of its divisors is an integer number (50512581).

Almost surely, 2^101025161 is an apocalyptic number.

It is an amenable number.

101025161 is a deficient number, since it is larger than the sum of its proper divisors (1).

101025161 is an equidigital number, since it uses as much as digits as its factorization.

101025161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 101025161 is about 10051.1273497056. The cubic root of 101025161 is about 465.7396191921.

Adding to 101025161 its reverse (161520101), we get a palindrome (262545262).

The spelling of 101025161 in words is "one hundred one million, twenty-five thousand, one hundred sixty-one".