1523513012 has 24 divisors (see below), whose sum is σ = 3047854656. Its totient is φ = 652756608.

The previous prime is 1523512961. The next prime is 1523513027. The reversal of 1523513012 is 2103153251.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187343 + ... + 195305.

It is an arithmetic number, because the mean of its divisors is an integer number (126993944).

Almost surely, 2^1523513012 is an apocalyptic number.

It is an amenable number.

1523513012 is an abundant number, since it is smaller than the sum of its proper divisors (1524341644).

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

1523513012 is a wasteful number, since it uses less digits than its factorization.

1523513012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14807 (or 14805 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1523513012 is about 39032.2048057754. The cubic root of 1523513012 is about 1150.6645212920.

Adding to 1523513012 its reverse (2103153251), we get a palindrome (3626666263).

The spelling of 1523513012 in words is "one billion, five hundred twenty-three million, five hundred thirteen thousand, twelve".