424172633 has 2 divisors, whose sum is σ = 424172634. Its totient is φ = 424172632.

The previous prime is 424172563. The next prime is 424172669. The reversal of 424172633 is 336271424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261048649 + 163123984 = 16157^2 + 12772^2 .

It is a cyclic number.

It is not a de Polignac number, because 424172633 - 2²⁶ = 357063769 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424172633.

It is not a weakly prime, because it can be changed into another prime (424171633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212086316 + 212086317.

It is an arithmetic number, because the mean of its divisors is an integer number (212086317).

Almost surely, 2^424172633 is an apocalyptic number.

It is an amenable number.

424172633 is a deficient number, since it is larger than the sum of its proper divisors (1).

424172633 is an equidigital number, since it uses as much as digits as its factorization.

424172633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 424172633 is about 20595.4517551813. The cubic root of 424172633 is about 751.3590959529.

The spelling of 424172633 in words is "four hundred twenty-four million, one hundred seventy-two thousand, six hundred thirty-three".