5257525766 has 4 divisors (see below), whose sum is σ = 7886288652. Its totient is φ = 2628762882.

The previous prime is 5257525753. The next prime is 5257525781. The reversal of 5257525766 is 6675257525.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314381440 + ... + 1314381443.

It is an arithmetic number, because the mean of its divisors is an integer number (1971572163).

Almost surely, 2^5257525766 is an apocalyptic number.

5257525766 is a deficient number, since it is larger than the sum of its proper divisors (2628762886).

5257525766 is a wasteful number, since it uses less digits than its factorization.

5257525766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628762885.

The product of its digits is 4410000, while the sum is 50.

The square root of 5257525766 is about 72508.7978523986. The cubic root of 5257525766 is about 1738.8433946102.

The spelling of 5257525766 in words is "five billion, two hundred fifty-seven million, five hundred twenty-five thousand, seven hundred sixty-six".