957320851 has 2 divisors, whose sum is σ = 957320852. Its totient is φ = 957320850.

The previous prime is 957320807. The next prime is 957320879. The reversal of 957320851 is 158023759.

It is a strong prime.

It is an emirp because it is prime and its reverse (158023759) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-957320851 is a prime.

It is not a weakly prime, because it can be changed into another prime (957320891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478660425 + 478660426.

It is an arithmetic number, because the mean of its divisors is an integer number (478660426).

Almost surely, 2^957320851 is an apocalyptic number.

957320851 is a deficient number, since it is larger than the sum of its proper divisors (1).

957320851 is an equidigital number, since it uses as much as digits as its factorization.

957320851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 957320851 is about 30940.6019818620. The cubic root of 957320851 is about 985.5662872719.

The spelling of 957320851 in words is "nine hundred fifty-seven million, three hundred twenty thousand, eight hundred fifty-one".