1315471752 has 256 divisors, whose sum is σ = 4420915200. Its totient is φ = 358737984.

The previous prime is 1315471727. The next prime is 1315471799. The reversal of 1315471752 is 2571745131.

1315471752 is a `hidden beast` number, since 131 + 5 + 471 + 7 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2816623 + ... + 2817089.

It is an arithmetic number, because the mean of its divisors is an integer number (17269200).

Almost surely, 2^1315471752 is an apocalyptic number.

1315471752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315471752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2210457600).

1315471752 is an abundant number, since it is smaller than the sum of its proper divisors (3105443448).

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

1315471752 is an equidigital number, since it uses as much as digits as its factorization.

1315471752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 502 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 1315471752 is about 36269.4327499066. The cubic root of 1315471752 is about 1095.7055014417.

The spelling of 1315471752 in words is "one billion, three hundred fifteen million, four hundred seventy-one thousand, seven hundred fifty-two".