5251268297 has 4 divisors (see below), whose sum is σ = 5728656336. Its totient is φ = 4773880260.

The previous prime is 5251268287. The next prime is 5251268353. The reversal of 5251268297 is 7928621525.

It is a happy number.

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 5251268297 - 2⁸ = 5251268041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251268237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238694003 + ... + 238694024.

It is an arithmetic number, because the mean of its divisors is an integer number (1432164084).

Almost surely, 2^5251268297 is an apocalyptic number.

It is an amenable number.

5251268297 is a deficient number, since it is larger than the sum of its proper divisors (477388039).

5251268297 is a wasteful number, since it uses less digits than its factorization.

5251268297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477388038.

The product of its digits is 604800, while the sum is 47.

The square root of 5251268297 is about 72465.6352832155. The cubic root of 5251268297 is about 1738.1532678147.

The spelling of 5251268297 in words is "five billion, two hundred fifty-one million, two hundred sixty-eight thousand, two hundred ninety-seven".