2015253504 has 264 divisors, whose sum is σ = 6442842432. Its totient is φ = 601620480.

The previous prime is 2015253467. The next prime is 2015253533. The reversal of 2015253504 is 4053525102.

It is a happy number.

2015253504 is a `hidden beast` number, since 2 + 0 + 152 + 5 + 3 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (264).

It is a super-2 number, since 2×2015253504² = 8122493370768556032, which contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 10441632 + ... + 10441824.

Almost surely, 2^2015253504 is an apocalyptic number.

2015253504 is a gapful number since it is divisible by the number (24) 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 2015253504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3221421216).

2015253504 is an abundant number, since it is smaller than the sum of its proper divisors (4427588928).

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

2015253504 is a wasteful number, since it uses less digits than its factorization.

2015253504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2015253504 is about 44891.5749779399. The cubic root of 2015253504 is about 1263.1159764335.

Adding to 2015253504 its reverse (4053525102), we get a palindrome (6068778606).

The spelling of 2015253504 in words is "two billion, fifteen million, two hundred fifty-three thousand, five hundred four".