61069651 has 2 divisors, whose sum is σ = 61069652. Its totient is φ = 61069650.

The previous prime is 61069643. The next prime is 61069691. The reversal of 61069651 is 15696016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61069651 - 2³ = 61069643 is a prime.

It is not a weakly prime, because it can be changed into another prime (61069691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30534825 + 30534826.

It is an arithmetic number, because the mean of its divisors is an integer number (30534826).

Almost surely, 2^61069651 is an apocalyptic number.

61069651 is a deficient number, since it is larger than the sum of its proper divisors (1).

61069651 is an equidigital number, since it uses as much as digits as its factorization.

61069651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 61069651 is about 7814.7073521662. The cubic root of 61069651 is about 393.7994869858.

The spelling of 61069651 in words is "sixty-one million, sixty-nine thousand, six hundred fifty-one".