1523652012 has 24 divisors (see below), whose sum is σ = 3950209200. Its totient is φ = 507883968.

The previous prime is 1523651959. The next prime is 1523652037. The reversal of 1523652012 is 2102563251.

It is a happy number.

1523652012 is a `hidden beast` number, since 1 + 5 + 2 + 3 + 652 + 0 + 1 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053837 + ... + 7054052.

It is an arithmetic number, because the mean of its divisors is an integer number (164592050).

Almost surely, 2^1523652012 is an apocalyptic number.

1523652012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1523652012 is an abundant number, since it is smaller than the sum of its proper divisors (2426557188).

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

1523652012 is a wasteful number, since it uses less digits than its factorization.

1523652012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14107902 (or 14107894 counting only the distinct ones).

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

The square root of 1523652012 is about 39033.9853461058. The cubic root of 1523652012 is about 1150.6995144303.

The spelling of 1523652012 in words is "one billion, five hundred twenty-three million, six hundred fifty-two thousand, twelve".