5249198287 has 16 divisors (see below), whose sum is σ = 5460848640. Its totient is φ = 5040352800.

The previous prime is 5249198257. The next prime is 5249198333. The reversal of 5249198287 is 7828919425.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5249198287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249198237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543418 + ... + 2545480.

It is an arithmetic number, because the mean of its divisors is an integer number (341303040).

Almost surely, 2^5249198287 is an apocalyptic number.

5249198287 is a deficient number, since it is larger than the sum of its proper divisors (211650353).

5249198287 is a wasteful number, since it uses less digits than its factorization.

5249198287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694.

The product of its digits is 2903040, while the sum is 55.

The square root of 5249198287 is about 72451.3511744260. The cubic root of 5249198287 is about 1737.9248488681.

The spelling of 5249198287 in words is "five billion, two hundred forty-nine million, one hundred ninety-eight thousand, two hundred eighty-seven".