801243427 has 2 divisors, whose sum is σ = 801243428. Its totient is φ = 801243426.

The previous prime is 801243389. The next prime is 801243461. The reversal of 801243427 is 724342108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 801243427 - 2⁷ = 801243299 is a prime.

It is not a weakly prime, because it can be changed into another prime (801243497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400621713 + 400621714.

It is an arithmetic number, because the mean of its divisors is an integer number (400621714).

Almost surely, 2^801243427 is an apocalyptic number.

801243427 is a deficient number, since it is larger than the sum of its proper divisors (1).

801243427 is an equidigital number, since it uses as much as digits as its factorization.

801243427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 801243427 is about 28306.2436045477. The cubic root of 801243427 is about 928.7984741631.

The spelling of 801243427 in words is "eight hundred one million, two hundred forty-three thousand, four hundred twenty-seven".