80574409 has 2 divisors, whose sum is σ = 80574410. Its totient is φ = 80574408.

The previous prime is 80574371. The next prime is 80574427. The reversal of 80574409 is 90447508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 12759184 = 8235^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 80574409 - 2²³ = 72185801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80574449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40287204 + 40287205.

It is an arithmetic number, because the mean of its divisors is an integer number (40287205).

Almost surely, 2^80574409 is an apocalyptic number.

It is an amenable number.

80574409 is a deficient number, since it is larger than the sum of its proper divisors (1).

80574409 is an equidigital number, since it uses as much as digits as its factorization.

80574409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80574409 is about 8976.3249161336. The cubic root of 80574409 is about 431.9157518181.

The spelling of 80574409 in words is "eighty million, five hundred seventy-four thousand, four hundred nine".