315521453 has 8 divisors (see below), whose sum is σ = 340368000. Its totient is φ = 290757168.

The previous prime is 315521443. The next prime is 315521473. The reversal of 315521453 is 354125513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315521453 - 2⁶ = 315521389 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 (315521413) 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 in 7 ways as a sum of consecutive naturals, for example, 12473 + ... + 28046.

It is an arithmetic number, because the mean of its divisors is an integer number (42546000).

Almost surely, 2^315521453 is an apocalyptic number.

It is an amenable number.

315521453 is a deficient number, since it is larger than the sum of its proper divisors (24846547).

315521453 is a wasteful number, since it uses less digits than its factorization.

315521453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41131.

The product of its digits is 9000, while the sum is 29.

The square root of 315521453 is about 17762.9235487855. The cubic root of 315521453 is about 680.7844558538.

Adding to 315521453 its reverse (354125513), we get a palindrome (669646966).

The spelling of 315521453 in words is "three hundred fifteen million, five hundred twenty-one thousand, four hundred fifty-three".