630756103 has 4 divisors (see below), whose sum is σ = 631558360. Its totient is φ = 629953848.

The previous prime is 630756073. The next prime is 630756107. The reversal of 630756103 is 301657036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630756103 - 2¹³ = 630747911 is a prime.

It is a super-2 number, since 2×630756103² = 795706522943493218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630756107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399948 + ... + 401521.

It is an arithmetic number, because the mean of its divisors is an integer number (157889590).

Almost surely, 2^630756103 is an apocalyptic number.

630756103 is a deficient number, since it is larger than the sum of its proper divisors (802257).

630756103 is an equidigital number, since it uses as much as digits as its factorization.

630756103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802256.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 630756103 is about 25114.8582118235. The cubic root of 630756103 is about 857.6047025973.

The spelling of 630756103 in words is "six hundred thirty million, seven hundred fifty-six thousand, one hundred three".