630103853 has 2 divisors, whose sum is σ = 630103854. Its totient is φ = 630103852.

The previous prime is 630103829. The next prime is 630103889. The reversal of 630103853 is 358301036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615188809 + 14915044 = 24803^2 + 3862^2 .

It is a cyclic number.

It is not a de Polignac number, because 630103853 - 2²² = 625909549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630103813) 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 as a sum of consecutive naturals, namely, 315051926 + 315051927.

It is an arithmetic number, because the mean of its divisors is an integer number (315051927).

Almost surely, 2^630103853 is an apocalyptic number.

It is an amenable number.

630103853 is a deficient number, since it is larger than the sum of its proper divisors (1).

630103853 is an equidigital number, since it uses as much as digits as its factorization.

630103853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 630103853 is about 25101.8695120503. The cubic root of 630103853 is about 857.3089910500.

Adding to 630103853 its reverse (358301036), we get a palindrome (988404889).

The spelling of 630103853 in words is "six hundred thirty million, one hundred three thousand, eight hundred fifty-three".