501625633 has 2 divisors, whose sum is σ = 501625634. Its totient is φ = 501625632.

The previous prime is 501625603. The next prime is 501625639. The reversal of 501625633 is 336526105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440034529 + 61591104 = 20977^2 + 7848^2 .

It is a cyclic number.

It is not a de Polignac number, because 501625633 - 2¹⁷ = 501494561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501625595 and 501625604.

It is not a weakly prime, because it can be changed into another prime (501625639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250812816 + 250812817.

It is an arithmetic number, because the mean of its divisors is an integer number (250812817).

Almost surely, 2^501625633 is an apocalyptic number.

It is an amenable number.

501625633 is a deficient number, since it is larger than the sum of its proper divisors (1).

501625633 is an equidigital number, since it uses as much as digits as its factorization.

501625633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 501625633 is about 22397.0005357860. Note that the first 3 decimals coincide. The cubic root of 501625633 is about 794.5597726208.

The spelling of 501625633 in words is "five hundred one million, six hundred twenty-five thousand, six hundred thirty-three".