5251100049 has 32 divisors (see below), whose sum is σ = 8391747840. Its totient is φ = 3226075776.

The previous prime is 5251100033. The next prime is 5251100083. The reversal of 5251100049 is 9400011525.

It is not a de Polignac number, because 5251100049 - 2⁴ = 5251100033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5251099995 and 5251100031.

It is not an unprimeable number, because it can be changed into a prime (5251105049) 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 in 31 ways as a sum of consecutive naturals, for example, 204444 + ... + 228690.

It is an arithmetic number, because the mean of its divisors is an integer number (262242120).

Almost surely, 2^5251100049 is an apocalyptic number.

It is an amenable number.

5251100049 is a deficient number, since it is larger than the sum of its proper divisors (3140647791).

5251100049 is a wasteful number, since it uses less digits than its factorization.

5251100049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24886 (or 24880 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 5251100049 is about 72464.4743926291. The cubic root of 5251100049 is about 1738.1347044304.

The spelling of 5251100049 in words is "five billion, two hundred fifty-one million, one hundred thousand, forty-nine".