4851561203 has 4 divisors (see below), whose sum is σ = 4859060400. Its totient is φ = 4844062008.

The previous prime is 4851561199. The next prime is 4851561257. The reversal of 4851561203 is 3021651584.

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 4851561203 - 2² = 4851561199 is a prime.

It is a super-2 number, since 2×4851561203² = 47075292212909614418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4851561703) 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 3 ways as a sum of consecutive naturals, for example, 3748628 + ... + 3749921.

It is an arithmetic number, because the mean of its divisors is an integer number (1214765100).

Almost surely, 2^4851561203 is an apocalyptic number.

4851561203 is a deficient number, since it is larger than the sum of its proper divisors (7499197).

4851561203 is an equidigital number, since it uses as much as digits as its factorization.

4851561203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499196.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4851561203 is about 69653.1492683568. The cubic root of 4851561203 is about 1692.8838874461.

The spelling of 4851561203 in words is "four billion, eight hundred fifty-one million, five hundred sixty-one thousand, two hundred three".