61382011 has 2 divisors, whose sum is σ = 61382012. Its totient is φ = 61382010.

The previous prime is 61381997. The next prime is 61382017. The reversal of 61382011 is 11028316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61382011 - 2¹⁷ = 61250939 is a prime.

It is not a weakly prime, because it can be changed into another prime (61382017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30691005 + 30691006.

It is an arithmetic number, because the mean of its divisors is an integer number (30691006).

Almost surely, 2^61382011 is an apocalyptic number.

61382011 is a deficient number, since it is larger than the sum of its proper divisors (1).

61382011 is an equidigital number, since it uses as much as digits as its factorization.

61382011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 61382011 is about 7834.6672552189. The cubic root of 61382011 is about 394.4697494371.

The spelling of 61382011 in words is "sixty-one million, three hundred eighty-two thousand, eleven".