1521053536 has 48 divisors (see below), whose sum is σ = 3036927600. Its totient is φ = 749836800.

The previous prime is 1521053507. The next prime is 1521053539. The reversal of 1521053536 is 6353501251.

It is a junction number, because it is equal to n+sod(n) for n = 1521053498 and 1521053507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521053539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894415 + ... + 896113.

It is an arithmetic number, because the mean of its divisors is an integer number (63269325).

Almost surely, 2^1521053536 is an apocalyptic number.

1521053536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1521053536 is a deficient number, since it is larger than the sum of its proper divisors (1515874064).

1521053536 is a wasteful number, since it uses less digits than its factorization.

1521053536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 1521053536 is about 39000.6863529349. The cubic root of 1521053536 is about 1150.0449978612.

Adding to 1521053536 its reverse (6353501251), we get a palindrome (7874554787).

The spelling of 1521053536 in words is "one billion, five hundred twenty-one million, fifty-three thousand, five hundred thirty-six".