5257456570 has 8 divisors (see below), whose sum is σ = 9463421844. Its totient is φ = 2102982624.

The previous prime is 5257456559. The next prime is 5257456571. The reversal of 5257456570 is 756547525.

It can be written as a sum of positive squares in 2 ways, for example, as 4580988489 + 676468081 = 67683^2 + 26009^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5257456570.

It is not an unprimeable number, because it can be changed into a prime (5257456571) 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, 262872819 + ... + 262872838.

Almost surely, 2^5257456570 is an apocalyptic number.

5257456570 is a deficient number, since it is larger than the sum of its proper divisors (4205965274).

5257456570 is a wasteful number, since it uses less digits than its factorization.

5257456570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525745664.

The product of its (nonzero) digits is 1470000, while the sum is 46.

The square root of 5257456570 is about 72508.3206949382. The cubic root of 5257456570 is about 1738.8357660829.

The spelling of 5257456570 in words is "five billion, two hundred fifty-seven million, four hundred fifty-six thousand, five hundred seventy".