61011697 has 2 divisors, whose sum is σ = 61011698. Its totient is φ = 61011696.

The previous prime is 61011673. The next prime is 61011733. The reversal of 61011697 is 79611016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37933281 + 23078416 = 6159^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 61011697 - 2⁷ = 61011569 is a prime.

It is not a weakly prime, because it can be changed into another prime (61011637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505848 + 30505849.

It is an arithmetic number, because the mean of its divisors is an integer number (30505849).

Almost surely, 2^61011697 is an apocalyptic number.

It is an amenable number.

61011697 is a deficient number, since it is larger than the sum of its proper divisors (1).

61011697 is an equidigital number, since it uses as much as digits as its factorization.

61011697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 61011697 is about 7810.9984637049. The cubic root of 61011697 is about 393.6748780177.

The spelling of 61011697 in words is "sixty-one million, eleven thousand, six hundred ninety-seven".