2515523532 has 12 divisors (see below), whose sum is σ = 5869554936. Its totient is φ = 838507840.

The previous prime is 2515523513. The next prime is 2515523533. The reversal of 2515523532 is 2353255152.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2515523493 and 2515523502.

It is not an unprimeable number, because it can be changed into a prime (2515523533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104813469 + ... + 104813492.

It is an arithmetic number, because the mean of its divisors is an integer number (489129578).

Almost surely, 2^2515523532 is an apocalyptic number.

It is an amenable number.

2515523532 is an abundant number, since it is smaller than the sum of its proper divisors (3354031404).

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

2515523532 is a wasteful number, since it uses less digits than its factorization.

2515523532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209626968 (or 209626966 counting only the distinct ones).

The product of its digits is 45000, while the sum is 33.

The square root of 2515523532 is about 50154.9950852355. The cubic root of 2515523532 is about 1360.0121704505.

Adding to 2515523532 its reverse (2353255152), we get a palindrome (4868778684).

The spelling of 2515523532 in words is "two billion, five hundred fifteen million, five hundred twenty-three thousand, five hundred thirty-two".