1513254312 has 96 divisors (see below), whose sum is σ = 4269283200. Its totient is φ = 502153344.

The previous prime is 1513254277. The next prime is 1513254317. The reversal of 1513254312 is 2134523151.

It is a super-2 number, since 2×1513254312² = 4579877225573186688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1513254317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462988 + ... + 466244.

It is an arithmetic number, because the mean of its divisors is an integer number (44471700).

Almost surely, 2^1513254312 is an apocalyptic number.

1513254312 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 1513254312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2134641600).

1513254312 is an abundant number, since it is smaller than the sum of its proper divisors (2756028888).

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

1513254312 is a wasteful number, since it uses less digits than its factorization.

1513254312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517 (or 3501 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1513254312 is about 38900.5695588124. The cubic root of 1513254312 is about 1148.0760045508.

Adding to 1513254312 its reverse (2134523151), we get a palindrome (3647777463).

The spelling of 1513254312 in words is "one billion, five hundred thirteen million, two hundred fifty-four thousand, three hundred twelve".