315453451 has 2 divisors, whose sum is σ = 315453452. Its totient is φ = 315453450.

The previous prime is 315453443. The next prime is 315453493. The reversal of 315453451 is 154354513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315453451 - 2³ = 315453443 is a prime.

It is not a weakly prime, because it can be changed into another prime (315453251) 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, 157726725 + 157726726.

It is an arithmetic number, because the mean of its divisors is an integer number (157726726).

Almost surely, 2^315453451 is an apocalyptic number.

315453451 is a deficient number, since it is larger than the sum of its proper divisors (1).

315453451 is an equidigital number, since it uses as much as digits as its factorization.

315453451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 315453451 is about 17761.0092900150. The cubic root of 315453451 is about 680.7355441973.

The spelling of 315453451 in words is "three hundred fifteen million, four hundred fifty-three thousand, four hundred fifty-one".