80467021 has 2 divisors, whose sum is σ = 80467022. Its totient is φ = 80467020.

The previous prime is 80467007. The next prime is 80467027. The reversal of 80467021 is 12076408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47817225 + 32649796 = 6915^2 + 5714^2 .

It is a cyclic number.

It is not a de Polignac number, because 80467021 - 2²¹ = 78369869 is a prime.

It is a super-2 number, since 2×80467021² = 12949882937228882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80467027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40233510 + 40233511.

It is an arithmetic number, because the mean of its divisors is an integer number (40233511).

Almost surely, 2^80467021 is an apocalyptic number.

It is an amenable number.

80467021 is a deficient number, since it is larger than the sum of its proper divisors (1).

80467021 is an equidigital number, since it uses as much as digits as its factorization.

80467021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 80467021 is about 8970.3411863764. The cubic root of 80467021 is about 431.7237835471.

The spelling of 80467021 in words is "eighty million, four hundred sixty-seven thousand, twenty-one".