61130969 has 2 divisors, whose sum is σ = 61130970. Its totient is φ = 61130968.

The previous prime is 61130947. The next prime is 61130989. The reversal of 61130969 is 96903116.

61130969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57577744 + 3553225 = 7588^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 61130969 - 2²⁴ = 44353753 is a prime.

It is a super-2 number, since 2×61130969² = 7473990741757922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61130989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30565484 + 30565485.

It is an arithmetic number, because the mean of its divisors is an integer number (30565485).

Almost surely, 2^61130969 is an apocalyptic number.

It is an amenable number.

61130969 is a deficient number, since it is larger than the sum of its proper divisors (1).

61130969 is an equidigital number, since it uses as much as digits as its factorization.

61130969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 61130969 is about 7818.6296113833. The cubic root of 61130969 is about 393.9312432091.

The spelling of 61130969 in words is "sixty-one million, one hundred thirty thousand, nine hundred sixty-nine".