312325552 has 80 divisors (see below), whose sum is σ = 764236800. Its totient is φ = 120107520.

The previous prime is 312325537. The next prime is 312325567. The reversal of 312325552 is 255523213.

It is an interprime number because it is at equal distance from previous prime (312325537) and next prime (312325567).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 312325552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95724 + ... + 98932.

It is an arithmetic number, because the mean of its divisors is an integer number (9552960).

Almost surely, 2^312325552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312325552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382118400).

312325552 is an abundant number, since it is smaller than the sum of its proper divisors (451911248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312325552 is a wasteful number, since it uses less digits than its factorization.

312325552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314 (or 3308 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 312325552 is about 17672.7347063209. The cubic root of 312325552 is about 678.4781073849.

Adding to 312325552 its reverse (255523213), we get a palindrome (567848765).

The spelling of 312325552 in words is "three hundred twelve million, three hundred twenty-five thousand, five hundred fifty-two".