80251061 has 4 divisors (see below), whose sum is σ = 87546624. Its totient is φ = 72955500.

The previous prime is 80251057. The next prime is 80251069. The reversal of 80251061 is 16015208.

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 80251061 - 2² = 80251057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80251069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647765 + ... + 3647786.

It is an arithmetic number, because the mean of its divisors is an integer number (21886656).

Almost surely, 2^80251061 is an apocalyptic number.

It is an amenable number.

80251061 is a deficient number, since it is larger than the sum of its proper divisors (7295563).

80251061 is a wasteful number, since it uses less digits than its factorization.

80251061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295562.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 80251061 is about 8958.2956526339. The cubic root of 80251061 is about 431.3372127473.

Adding to 80251061 its reverse (16015208), we get a palindrome (96266269).

The spelling of 80251061 in words is "eighty million, two hundred fifty-one thousand, sixty-one".