634089253 has 6 divisors (see below), whose sum is σ = 737614086. Its totient is φ = 543505032.

The previous prime is 634089233. The next prime is 634089259. The reversal of 634089253 is 352980436.

It can be written as a sum of positive squares in only one way, i.e., 475152804 + 158936449 = 21798^2 + 12607^2 .

It is not a de Polignac number, because 634089253 - 2¹³ = 634081061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634089259) 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 in 5 ways as a sum of consecutive naturals, for example, 6470250 + ... + 6470347.

It is an arithmetic number, because the mean of its divisors is an integer number (122935681).

Almost surely, 2^634089253 is an apocalyptic number.

It is an amenable number.

634089253 is a deficient number, since it is larger than the sum of its proper divisors (103524833).

634089253 is a wasteful number, since it uses less digits than its factorization.

634089253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940611 (or 12940604 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 634089253 is about 25181.1289063854. The cubic root of 634089253 is about 859.1126836066.

The spelling of 634089253 in words is "six hundred thirty-four million, eighty-nine thousand, two hundred fifty-three".