5249278297 has 4 divisors (see below), whose sum is σ = 5250413520. Its totient is φ = 5248143076.

The previous prime is 5249278271. The next prime is 5249278361. The reversal of 5249278297 is 7928729425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5249278297 - 2²⁷ = 5115060569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5249278897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560647 + ... + 569932.

It is an arithmetic number, because the mean of its divisors is an integer number (1312603380).

Almost surely, 2^5249278297 is an apocalyptic number.

It is an amenable number.

5249278297 is a deficient number, since it is larger than the sum of its proper divisors (1135223).

5249278297 is a wasteful number, since it uses less digits than its factorization.

5249278297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135222.

The product of its digits is 5080320, while the sum is 55.

The square root of 5249278297 is about 72451.9033359373. The cubic root of 5249278297 is about 1737.9336788299.

The spelling of 5249278297 in words is "five billion, two hundred forty-nine million, two hundred seventy-eight thousand, two hundred ninety-seven".