1515253248 has 360 divisors, whose sum is σ = 5004041328. Its totient is φ = 439025664.

The previous prime is 1515253241. The next prime is 1515253253. The reversal of 1515253248 is 8423525151.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515253241) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52250098 + ... + 52250126.

Almost surely, 2^1515253248 is an apocalyptic number.

1515253248 is a gapful number since it is divisible by the number (18) 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 1515253248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2502020664).

1515253248 is an abundant number, since it is smaller than the sum of its proper divisors (3488788080).

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

1515253248 is a wasteful number, since it uses less digits than its factorization.

1515253248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 74 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 1515253248 is about 38926.2539682410. The cubic root of 1515253248 is about 1148.5812998123.

Adding to 1515253248 its reverse (8423525151), we get a palindrome (9938778399).

The spelling of 1515253248 in words is "one billion, five hundred fifteen million, two hundred fifty-three thousand, two hundred forty-eight".