315024253 has 4 divisors (see below), whose sum is σ = 323538460. Its totient is φ = 306510048.

The previous prime is 315024251. The next prime is 315024257. The reversal of 315024253 is 352420513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352420513 = 23 ⋅15322631.

It can be written as a sum of positive squares in 2 ways, for example, as 199289689 + 115734564 = 14117^2 + 10758^2 .

It is a cyclic number.

It is not a de Polignac number, because 315024253 - 2¹ = 315024251 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 (315024251) 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 3 ways as a sum of consecutive naturals, for example, 4257048 + ... + 4257121.

It is an arithmetic number, because the mean of its divisors is an integer number (80884615).

Almost surely, 2^315024253 is an apocalyptic number.

It is an amenable number.

315024253 is a deficient number, since it is larger than the sum of its proper divisors (8514207).

315024253 is an equidigital number, since it uses as much as digits as its factorization.

315024253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514206.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 315024253 is about 17748.9225870192. The cubic root of 315024253 is about 680.4266735436.

Adding to 315024253 its reverse (352420513), we get a palindrome (667444766).

The spelling of 315024253 in words is "three hundred fifteen million, twenty-four thousand, two hundred fifty-three".