80251057 has 2 divisors, whose sum is σ = 80251058. Its totient is φ = 80251056.

The previous prime is 80251049. The next prime is 80251069. The reversal of 80251057 is 75015208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76580001 + 3671056 = 8751^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 80251057 - 2³ = 80251049 is a prime.

It is not a weakly prime, because it can be changed into another prime (80251027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40125528 + 40125529.

It is an arithmetic number, because the mean of its divisors is an integer number (40125529).

Almost surely, 2^80251057 is an apocalyptic number.

It is an amenable number.

80251057 is a deficient number, since it is larger than the sum of its proper divisors (1).

80251057 is an equidigital number, since it uses as much as digits as its factorization.

80251057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 80251057 is about 8958.2954293772. The cubic root of 80251057 is about 431.3372055809.

The spelling of 80251057 in words is "eighty million, two hundred fifty-one thousand, fifty-seven".