61106651 has 2 divisors, whose sum is σ = 61106652. Its totient is φ = 61106650.

The previous prime is 61106629. The next prime is 61106657. The reversal of 61106651 is 15660116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61106651 - 2⁶ = 61106587 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61106651.

It is not a weakly prime, because it can be changed into another prime (61106657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30553325 + 30553326.

It is an arithmetic number, because the mean of its divisors is an integer number (30553326).

Almost surely, 2^61106651 is an apocalyptic number.

61106651 is a deficient number, since it is larger than the sum of its proper divisors (1).

61106651 is an equidigital number, since it uses as much as digits as its factorization.

61106651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 61106651 is about 7817.0743248353. The cubic root of 61106651 is about 393.8790007823.

Adding to 61106651 its reverse (15660116), we get a palindrome (76766767).

The spelling of 61106651 in words is "sixty-one million, one hundred six thousand, six hundred fifty-one".