315421453 has 4 divisors (see below), whose sum is σ = 316281280. Its totient is φ = 314561628.

The previous prime is 315421439. The next prime is 315421459. The reversal of 315421453 is 354124513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315421453 - 2¹³ = 315413261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315421459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429363 + ... + 430096.

It is an arithmetic number, because the mean of its divisors is an integer number (79070320).

Almost surely, 2^315421453 is an apocalyptic number.

It is an amenable number.

315421453 is a deficient number, since it is larger than the sum of its proper divisors (859827).

315421453 is an equidigital number, since it uses as much as digits as its factorization.

315421453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859826.

The product of its digits is 7200, while the sum is 28.

The square root of 315421453 is about 17760.1084737678. The cubic root of 315421453 is about 680.7125266307.

Adding to 315421453 its reverse (354124513), we get a palindrome (669545966).

The spelling of 315421453 in words is "three hundred fifteen million, four hundred twenty-one thousand, four hundred fifty-three".