315225421053 has 8 divisors (see below), whose sum is σ = 420305004288. Its totient is φ = 210148059264.

The previous prime is 315225421019. The next prime is 315225421079. The reversal of 315225421053 is 350124522513.

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

It is not a de Polignac number, because 315225421053 - 2²¹ = 315223323901 is a prime.

It is a super-2 number, since 2×315225421053² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315225421013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189901 + ... + 816402.

It is an arithmetic number, because the mean of its divisors is an integer number (52538125536).

Almost surely, 2^315225421053 is an apocalyptic number.

It is an amenable number.

315225421053 is a deficient number, since it is larger than the sum of its proper divisors (105079583235).

315225421053 is a wasteful number, since it uses less digits than its factorization.

315225421053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110723.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 315225421053 its reverse (350124522513), we get a palindrome (665349943566).

The spelling of 315225421053 in words is "three hundred fifteen billion, two hundred twenty-five million, four hundred twenty-one thousand, fifty-three".