315451 has 2 divisors, whose sum is σ = 315452. Its totient is φ = 315450.

The previous prime is 315449. The next prime is 315461. The reversal of 315451 is 154513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315451 - 2¹ = 315449 is a prime.

Together with 315449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (315421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157725 + 157726.

It is an arithmetic number, because the mean of its divisors is an integer number (157726).

2³¹⁵⁴⁵¹ is an apocalyptic number.

315451 is a deficient number, since it is larger than the sum of its proper divisors (1).

315451 is an equidigital number, since it uses as much as digits as its factorization.

315451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 19.

The square root of 315451 is about 561.6502470399. The cubic root of 315451 is about 68.0733781140.

Adding to 315451 its reverse (154513), we get a palindrome (469964).

The spelling of 315451 in words is "three hundred fifteen thousand, four hundred fifty-one".