424000531 has 2 divisors, whose sum is σ = 424000532. Its totient is φ = 424000530.

The previous prime is 424000513. The next prime is 424000543. The reversal of 424000531 is 135000424.

Together with previous prime (424000513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424000531 - 2¹¹ = 423998483 is a prime.

It is a super-2 number, since 2×424000531² = 359552900576563922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424000499 and 424000508.

It is not a weakly prime, because it can be changed into another prime (424000231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212000265 + 212000266.

It is an arithmetic number, because the mean of its divisors is an integer number (212000266).

Almost surely, 2^424000531 is an apocalyptic number.

424000531 is a deficient number, since it is larger than the sum of its proper divisors (1).

424000531 is an equidigital number, since it uses as much as digits as its factorization.

424000531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 424000531 is about 20591.2731757898. The cubic root of 424000531 is about 751.2574644585.

Adding to 424000531 its reverse (135000424), we get a palindrome (559000955).

The spelling of 424000531 in words is "four hundred twenty-four million, five hundred thirty-one", and thus it is an aban number.