315428851 has 2 divisors, whose sum is σ = 315428852. Its totient is φ = 315428850.

The previous prime is 315428837. The next prime is 315428879. The reversal of 315428851 is 158824513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315428851 - 2⁹ = 315428339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315428851.

It is not a weakly prime, because it can be changed into another prime (315428821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157714425 + 157714426.

It is an arithmetic number, because the mean of its divisors is an integer number (157714426).

Almost surely, 2^315428851 is an apocalyptic number.

315428851 is a deficient number, since it is larger than the sum of its proper divisors (1).

315428851 is an equidigital number, since it uses as much as digits as its factorization.

315428851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 37.

The square root of 315428851 is about 17760.3167483015. The cubic root of 315428851 is about 680.7178484753.

The spelling of 315428851 in words is "three hundred fifteen million, four hundred twenty-eight thousand, eight hundred fifty-one".