424701631 has 2 divisors, whose sum is σ = 424701632. Its totient is φ = 424701630.

The previous prime is 424701617. The next prime is 424701649. The reversal of 424701631 is 136107424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424701631 - 2¹⁵ = 424668863 is a prime.

It is a super-2 number, since 2×424701631² = 360742950748120322, which contains 22 as substring.

It is equal to p_22581514 and since 424701631 and 22581514 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424701631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424701691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212350815 + 212350816.

It is an arithmetic number, because the mean of its divisors is an integer number (212350816).

Almost surely, 2^424701631 is an apocalyptic number.

424701631 is a deficient number, since it is larger than the sum of its proper divisors (1).

424701631 is an equidigital number, since it uses as much as digits as its factorization.

424701631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 424701631 is about 20608.2903463630. The cubic root of 424701631 is about 751.6713134413.

The spelling of 424701631 in words is "four hundred twenty-four million, seven hundred one thousand, six hundred thirty-one".