5257314661 has 4 divisors (see below), whose sum is σ = 5335782112. Its totient is φ = 5178847212.

The previous prime is 5257314599. The next prime is 5257314683. The reversal of 5257314661 is 1664137525.

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 5257314661 - 2²¹ = 5255217509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257014661) 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, 39233625 + ... + 39233758.

It is an arithmetic number, because the mean of its divisors is an integer number (1333945528).

Almost surely, 2^5257314661 is an apocalyptic number.

It is an amenable number.

5257314661 is a deficient number, since it is larger than the sum of its proper divisors (78467451).

5257314661 is an equidigital number, since it uses as much as digits as its factorization.

5257314661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78467450.

The product of its digits is 151200, while the sum is 40.

The square root of 5257314661 is about 72507.3421178849. The cubic root of 5257314661 is about 1738.8201210867.

The spelling of 5257314661 in words is "five billion, two hundred fifty-seven million, three hundred fourteen thousand, six hundred sixty-one".