1521560484 has 48 divisors (see below), whose sum is σ = 3946924800. Its totient is φ = 506911968.

The previous prime is 1521560483. The next prime is 1521560519. The reversal of 1521560484 is 4840651251.

It is a happy number.

1521560484 is a `hidden beast` number, since 1 + 52 + 1 + 560 + 48 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (1521560483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334594 + ... + 339110.

It is an arithmetic number, because the mean of its divisors is an integer number (82227600).

Almost surely, 2^1521560484 is an apocalyptic number.

It is an amenable number.

1521560484 is an abundant number, since it is smaller than the sum of its proper divisors (2425364316).

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

1521560484 is a wasteful number, since it uses less digits than its factorization.

1521560484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649 (or 7641 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1521560484 is about 39007.1850304530. The cubic root of 1521560484 is about 1150.1727488442.

The spelling of 1521560484 in words is "one billion, five hundred twenty-one million, five hundred sixty thousand, four hundred eighty-four".