80430261 has 4 divisors (see below), whose sum is σ = 107240352. Its totient is φ = 53620172.

The previous prime is 80430257. The next prime is 80430271. The reversal of 80430261 is 16203408.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80430261 - 2² = 80430257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80430271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13405041 + ... + 13405046.

It is an arithmetic number, because the mean of its divisors is an integer number (26810088).

Almost surely, 2^80430261 is an apocalyptic number.

It is an amenable number.

80430261 is a deficient number, since it is larger than the sum of its proper divisors (26810091).

80430261 is a wasteful number, since it uses less digits than its factorization.

80430261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26810090.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 80430261 is about 8968.2919778517. The cubic root of 80430261 is about 431.6580316263.

Adding to 80430261 its reverse (16203408), we get a palindrome (96633669).

The spelling of 80430261 in words is "eighty million, four hundred thirty thousand, two hundred sixty-one".