633252261533 has 2 divisors, whose sum is σ = 633252261534. Its totient is φ = 633252261532.

The previous prime is 633252261487. The next prime is 633252261553. The reversal of 633252261533 is 335162252336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405567732964 + 227684528569 = 636842^2 + 477163^2 .

It is a cyclic number.

It is not a de Polignac number, because 633252261533 - 2¹⁶ = 633252195997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633252261553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316626130766 + 316626130767.

It is an arithmetic number, because the mean of its divisors is an integer number (316626130767).

Almost surely, 2^633252261533 is an apocalyptic number.

It is an amenable number.

633252261533 is a deficient number, since it is larger than the sum of its proper divisors (1).

633252261533 is an equidigital number, since it uses as much as digits as its factorization.

633252261533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 41.

The spelling of 633252261533 in words is "six hundred thirty-three billion, two hundred fifty-two million, two hundred sixty-one thousand, five hundred thirty-three".