631084093 has 2 divisors, whose sum is σ = 631084094. Its totient is φ = 631084092.

The previous prime is 631084073. The next prime is 631084121. The reversal of 631084093 is 390480136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620856889 + 10227204 = 24917^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 631084093 - 2¹³ = 631075901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631084033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315542046 + 315542047.

It is an arithmetic number, because the mean of its divisors is an integer number (315542047).

Almost surely, 2^631084093 is an apocalyptic number.

It is an amenable number.

631084093 is a deficient number, since it is larger than the sum of its proper divisors (1).

631084093 is an equidigital number, since it uses as much as digits as its factorization.

631084093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 631084093 is about 25121.3871631325. The cubic root of 631084093 is about 857.7533268824.

The spelling of 631084093 in words is "six hundred thirty-one million, eighty-four thousand, ninety-three".