5257543251 has 8 divisors (see below), whose sum is σ = 7314842880. Its totient is φ = 3352636232.

The previous prime is 5257543241. The next prime is 5257543273. The reversal of 5257543251 is 1523457525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5257543251 - 2⁹ = 5257542739 is a prime.

It is a super-2 number, since 2×5257543251² = 55283522072271298002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5257543241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38098071 + ... + 38098208.

It is an arithmetic number, because the mean of its divisors is an integer number (914355360).

Almost surely, 2^5257543251 is an apocalyptic number.

5257543251 is a deficient number, since it is larger than the sum of its proper divisors (2057299629).

5257543251 is a wasteful number, since it uses less digits than its factorization.

5257543251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76196305.

The product of its digits is 210000, while the sum is 39.

The square root of 5257543251 is about 72508.9184238739. The cubic root of 5257543251 is about 1738.8453222370.

The spelling of 5257543251 in words is "five billion, two hundred fifty-seven million, five hundred forty-three thousand, two hundred fifty-one".