1315253304 has 72 divisors (see below), whose sum is σ = 3609038160. Its totient is φ = 432720288.

The previous prime is 1315253249. The next prime is 1315253371. The reversal of 1315253304 is 4033525131.

1315253304 is a `hidden beast` number, since 131 + 525 + 3 + 3 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 447889 + ... + 450815.

It is an arithmetic number, because the mean of its divisors is an integer number (50125530).

Almost surely, 2^1315253304 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 1315253304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804519080).

1315253304 is an abundant number, since it is smaller than the sum of its proper divisors (2293784856).

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

1315253304 is a wasteful number, since it uses less digits than its factorization.

1315253304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1315253304 is about 36266.4211633847. The cubic root of 1315253304 is about 1095.6448469210.

Adding to 1315253304 its reverse (4033525131), we get a palindrome (5348778435).

The spelling of 1315253304 in words is "one billion, three hundred fifteen million, two hundred fifty-three thousand, three hundred four".