630554101 has 2 divisors, whose sum is σ = 630554102. Its totient is φ = 630554100.

The previous prime is 630554081. The next prime is 630554117. The reversal of 630554101 is 101455036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539447076 + 91107025 = 23226^2 + 9545^2 .

It is a cyclic number.

It is not a de Polignac number, because 630554101 - 2¹⁷ = 630423029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630554401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315277050 + 315277051.

It is an arithmetic number, because the mean of its divisors is an integer number (315277051).

Almost surely, 2^630554101 is an apocalyptic number.

It is an amenable number.

630554101 is a deficient number, since it is larger than the sum of its proper divisors (1).

630554101 is an equidigital number, since it uses as much as digits as its factorization.

630554101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 630554101 is about 25110.8363261760. The cubic root of 630554101 is about 857.5131424517.

It can be divided in two parts, 6305 and 54101, that added together give a palindrome (60406).

The spelling of 630554101 in words is "six hundred thirty million, five hundred fifty-four thousand, one hundred one".