315535028 has 12 divisors (see below), whose sum is σ = 584667972. Its totient is φ = 148487040.

The previous prime is 315535027. The next prime is 315535037. The reversal of 315535028 is 820535513.

It can be written as a sum of positive squares in 2 ways, for example, as 100560784 + 214974244 = 10028^2 + 14662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315534985 and 315535003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315535027) 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, 2320043 + ... + 2320178.

It is an arithmetic number, because the mean of its divisors is an integer number (48722331).

Almost surely, 2^315535028 is an apocalyptic number.

It is an amenable number.

315535028 is a deficient number, since it is larger than the sum of its proper divisors (269132944).

315535028 is a wasteful number, since it uses less digits than its factorization.

315535028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640242 (or 4640240 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 315535028 is about 17763.3056608279. The cubic root of 315535028 is about 680.7942190742.

It can be divided in two parts, 3155 and 35028, that added together give a palindrome (38183).

The spelling of 315535028 in words is "three hundred fifteen million, five hundred thirty-five thousand, twenty-eight".