69161401 has 2 divisors, whose sum is σ = 69161402. Its totient is φ = 69161400.

The previous prime is 69161363. The next prime is 69161413. The reversal of 69161401 is 10416196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34821801 + 34339600 = 5901^2 + 5860^2 .

It is a cyclic number.

It is not a de Polignac number, because 69161401 - 2¹⁷ = 69030329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69161401.

It is not a weakly prime, because it can be changed into another prime (69161431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34580700 + 34580701.

It is an arithmetic number, because the mean of its divisors is an integer number (34580701).

Almost surely, 2^69161401 is an apocalyptic number.

It is an amenable number.

69161401 is a deficient number, since it is larger than the sum of its proper divisors (1).

69161401 is an equidigital number, since it uses as much as digits as its factorization.

69161401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 69161401 is about 8316.3333867757. Note that the first 4 decimals coincide. The cubic root of 69161401 is about 410.4761491748.

Adding to 69161401 its reverse (10416196), we get a palindrome (79577597).

The spelling of 69161401 in words is "sixty-nine million, one hundred sixty-one thousand, four hundred one".