80109401 has 2 divisors, whose sum is σ = 80109402. Its totient is φ = 80109400.

The previous prime is 80109373. The next prime is 80109413. The reversal of 80109401 is 10490108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74373376 + 5736025 = 8624^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 80109401 - 2²² = 75915097 is a prime.

It is a super-2 number, since 2×80109401² = 12835032257157602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80109101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40054700 + 40054701.

It is an arithmetic number, because the mean of its divisors is an integer number (40054701).

Almost surely, 2^80109401 is an apocalyptic number.

It is an amenable number.

80109401 is a deficient number, since it is larger than the sum of its proper divisors (1).

80109401 is an equidigital number, since it uses as much as digits as its factorization.

80109401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 80109401 is about 8950.3855224230. The cubic root of 80109401 is about 431.0832629659.

Adding to 80109401 its reverse (10490108), we get a palindrome (90599509).

The spelling of 80109401 in words is "eighty million, one hundred nine thousand, four hundred one".