69001321 has 2 divisors, whose sum is σ = 69001322. Its totient is φ = 69001320.

The previous prime is 69001313. The next prime is 69001333. The reversal of 69001321 is 12310096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 15492096 = 7315^2 + 3936^2 .

It is a cyclic number.

It is not a de Polignac number, because 69001321 - 2³ = 69001313 is a prime.

It is a super-2 number, since 2×69001321² = 9522364599490082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69001292 and 69001301.

It is not a weakly prime, because it can be changed into another prime (69001391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34500660 + 34500661.

It is an arithmetic number, because the mean of its divisors is an integer number (34500661).

Almost surely, 2^69001321 is an apocalyptic number.

It is an amenable number.

69001321 is a deficient number, since it is larger than the sum of its proper divisors (1).

69001321 is an equidigital number, since it uses as much as digits as its factorization.

69001321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 69001321 is about 8306.7033773935. The cubic root of 69001321 is about 410.1592104263.

The spelling of 69001321 in words is "sixty-nine million, one thousand, three hundred twenty-one".