69952061 has 2 divisors, whose sum is σ = 69952062. Its totient is φ = 69952060.

The previous prime is 69952033. The next prime is 69952079. The reversal of 69952061 is 16025996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 28026436 = 6475^2 + 5294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69952061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69952021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34976030 + 34976031.

It is an arithmetic number, because the mean of its divisors is an integer number (34976031).

Almost surely, 2^69952061 is an apocalyptic number.

It is an amenable number.

69952061 is a deficient number, since it is larger than the sum of its proper divisors (1).

69952061 is an equidigital number, since it uses as much as digits as its factorization.

69952061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 69952061 is about 8363.7348714555. The cubic root of 69952061 is about 412.0344274024.

The spelling of 69952061 in words is "sixty-nine million, nine hundred fifty-two thousand, sixty-one".