6161501 has 2 divisors, whose sum is σ = 6161502. Its totient is φ = 6161500.

The previous prime is 6161489. The next prime is 6161503. The reversal of 6161501 is 1051616.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5635876 + 525625 = 2374^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161501 - 2⁶ = 6161437 is a prime.

Together with 6161503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080750 + 3080751.

It is an arithmetic number, because the mean of its divisors is an integer number (3080751).

Almost surely, 2^6161501 is an apocalyptic number.

It is an amenable number.

6161501 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161501 is an equidigital number, since it uses as much as digits as its factorization.

6161501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 6161501 is about 2482.2370958472. The cubic root of 6161501 is about 183.3280171094.

The spelling of 6161501 in words is "six million, one hundred sixty-one thousand, five hundred one".