61206797 has 2 divisors, whose sum is σ = 61206798. Its totient is φ = 61206796.

The previous prime is 61206787. The next prime is 61206829. The reversal of 61206797 is 79760216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45414121 + 15792676 = 6739^2 + 3974^2 .

It is a cyclic number.

It is not a de Polignac number, because 61206797 - 2⁴ = 61206781 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61206797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61206787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30603398 + 30603399.

It is an arithmetic number, because the mean of its divisors is an integer number (30603399).

Almost surely, 2^61206797 is an apocalyptic number.

It is an amenable number.

61206797 is a deficient number, since it is larger than the sum of its proper divisors (1).

61206797 is an equidigital number, since it uses as much as digits as its factorization.

61206797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 61206797 is about 7823.4772959343. The cubic root of 61206797 is about 394.0940558088.

The spelling of 61206797 in words is "sixty-one million, two hundred six thousand, seven hundred ninety-seven".