315580451 has 2 divisors, whose sum is σ = 315580452. Its totient is φ = 315580450.

The previous prime is 315580429. The next prime is 315580453. The reversal of 315580451 is 154085513.

It is a strong prime.

It is an emirp because it is prime and its reverse (154085513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315580451 is a prime.

Together with 315580453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315580453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157790225 + 157790226.

It is an arithmetic number, because the mean of its divisors is an integer number (157790226).

Almost surely, 2^315580451 is an apocalyptic number.

315580451 is a deficient number, since it is larger than the sum of its proper divisors (1).

315580451 is an equidigital number, since it uses as much as digits as its factorization.

315580451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 315580451 is about 17764.5841775145. The cubic root of 315580451 is about 680.8268855289.

The spelling of 315580451 in words is "three hundred fifteen million, five hundred eighty thousand, four hundred fifty-one".