424093081 has 2 divisors, whose sum is σ = 424093082. Its totient is φ = 424093080.

The previous prime is 424093073. The next prime is 424093097. The reversal of 424093081 is 180390424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373455625 + 50637456 = 19325^2 + 7116^2 .

It is a cyclic number.

It is not a de Polignac number, because 424093081 - 2³ = 424093073 is a prime.

It is a super-2 number, since 2×424093081² = 359709882704145122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424090081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212046540 + 212046541.

It is an arithmetic number, because the mean of its divisors is an integer number (212046541).

Almost surely, 2^424093081 is an apocalyptic number.

It is an amenable number.

424093081 is a deficient number, since it is larger than the sum of its proper divisors (1).

424093081 is an equidigital number, since it uses as much as digits as its factorization.

424093081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 424093081 is about 20593.5203644253. The cubic root of 424093081 is about 751.3121214813.

The spelling of 424093081 in words is "four hundred twenty-four million, ninety-three thousand, eighty-one".