1521348 has 24 divisors (see below), whose sum is σ = 3589152. Its totient is φ = 501504.

The previous prime is 1521337. The next prime is 1521361. The reversal of 1521348 is 8431251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (149548).

2^1521348 is an apocalyptic number.

It is an amenable number.

1521348 is an abundant number, since it is smaller than the sum of its proper divisors (2067804).

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

1521348 is a wasteful number, since it uses less digits than its factorization.

1521348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1409 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1521348 is about 1233.4293656306. The cubic root of 1521348 is about 115.0119206294.

Adding to 1521348 its reverse (8431251), we get a palindrome (9952599).

Subtracting 1521348 from its reverse (8431251), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 1521348 in words is "one million, five hundred twenty-one thousand, three hundred forty-eight".