1315253000 has 32 divisors (see below), whose sum is σ = 3077694360. Its totient is φ = 526100800.

The previous prime is 1315252933. The next prime is 1315253003. The reversal of 1315253000 is 3525131.

It can be written as a sum of positive squares in 4 ways, for example, as 176730436 + 1138522564 = 13294^2 + 33742^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1315253003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656627 + ... + 658626.

Almost surely, 2^1315253000 is an apocalyptic number.

1315253000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315253000 is an abundant number, since it is smaller than the sum of its proper divisors (1762441360).

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

1315253000 is a wasteful number, since it uses less digits than its factorization.

1315253000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315274 (or 1315260 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1315253000 is about 36266.4169721796. The cubic root of 1315253000 is about 1095.6447625073.

Adding to 1315253000 its reverse (3525131), we get a palindrome (1318778131).

The spelling of 1315253000 in words is "one billion, three hundred fifteen million, two hundred fifty-three thousand".