424657231 has 2 divisors, whose sum is σ = 424657232. Its totient is φ = 424657230.

The previous prime is 424657223. The next prime is 424657241. The reversal of 424657231 is 132756424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424657231 - 2³ = 424657223 is a prime.

It is a super-2 number, since 2×424657231² = 360667527681174722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424657241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212328615 + 212328616.

It is an arithmetic number, because the mean of its divisors is an integer number (212328616).

Almost surely, 2^424657231 is an apocalyptic number.

424657231 is a deficient number, since it is larger than the sum of its proper divisors (1).

424657231 is an equidigital number, since it uses as much as digits as its factorization.

424657231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 424657231 is about 20607.2130818313. The cubic root of 424657231 is about 751.6451182908.

The spelling of 424657231 in words is "four hundred twenty-four million, six hundred fifty-seven thousand, two hundred thirty-one".