424727431 has 2 divisors, whose sum is σ = 424727432. Its totient is φ = 424727430.

The previous prime is 424727423. The next prime is 424727437. The reversal of 424727431 is 134727424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424727431 - 2³ = 424727423 is a prime.

It is a super-2 number, since 2×424727431² = 360786781287719522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424727437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212363715 + 212363716.

It is an arithmetic number, because the mean of its divisors is an integer number (212363716).

Almost surely, 2^424727431 is an apocalyptic number.

424727431 is a deficient number, since it is larger than the sum of its proper divisors (1).

424727431 is an equidigital number, since it uses as much as digits as its factorization.

424727431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 34.

The square root of 424727431 is about 20608.9162985345. The cubic root of 424727431 is about 751.6865341090.

The spelling of 424727431 in words is "four hundred twenty-four million, seven hundred twenty-seven thousand, four hundred thirty-one".