69968501 has 2 divisors, whose sum is σ = 69968502. Its totient is φ = 69968500.

The previous prime is 69968473. The next prime is 69968537. The reversal of 69968501 is 10586996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69639025 + 329476 = 8345^2 + 574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69968501 is a prime.

It is a super-2 number, since 2×69968501² = 9791182264374002, which contains 22 as substring.

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 (69968551) 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, 34984250 + 34984251.

It is an arithmetic number, because the mean of its divisors is an integer number (34984251).

Almost surely, 2^69968501 is an apocalyptic number.

It is an amenable number.

69968501 is a deficient number, since it is larger than the sum of its proper divisors (1).

69968501 is an equidigital number, since it uses as much as digits as its factorization.

69968501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 69968501 is about 8364.7176282287. The cubic root of 69968501 is about 412.0667033893.

The spelling of 69968501 in words is "sixty-nine million, nine hundred sixty-eight thousand, five hundred one".