80243741 has 2 divisors, whose sum is σ = 80243742. Its totient is φ = 80243740.

The previous prime is 80243693. The next prime is 80243767. The reversal of 80243741 is 14734208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77616100 + 2627641 = 8810^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 80243741 - 2¹⁰ = 80242717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80243771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40121870 + 40121871.

It is an arithmetic number, because the mean of its divisors is an integer number (40121871).

Almost surely, 2^80243741 is an apocalyptic number.

It is an amenable number.

80243741 is a deficient number, since it is larger than the sum of its proper divisors (1).

80243741 is an equidigital number, since it uses as much as digits as its factorization.

80243741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 80243741 is about 8957.8870834589. The cubic root of 80243741 is about 431.3240977207.

Adding to 80243741 its reverse (14734208), we get a palindrome (94977949).

The spelling of 80243741 in words is "eighty million, two hundred forty-three thousand, seven hundred forty-one".