1344032521 has 32 divisors (see below), whose sum is σ = 1552672800. Its totient is φ = 1154334720.

The previous prime is 1344032489. The next prime is 1344032587. The reversal of 1344032521 is 1252304431.

It can be written as a sum of positive squares in 16 ways, for example, as 637057600 + 706974921 = 25240^2 + 26589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344032521 - 2⁵ = 1344032489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344042521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1375185 + ... + 1376161.

It is an arithmetic number, because the mean of its divisors is an integer number (48521025).

Almost surely, 2^1344032521 is an apocalyptic number.

It is an amenable number.

1344032521 is a deficient number, since it is larger than the sum of its proper divisors (208640279).

1344032521 is a wasteful number, since it uses less digits than its factorization.

1344032521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1344032521 is about 36661.0490984642. The cubic root of 1344032521 is about 1103.5785715693.

Adding to 1344032521 its reverse (1252304431), we get a palindrome (2596336952).

The spelling of 1344032521 in words is "one billion, three hundred forty-four million, thirty-two thousand, five hundred twenty-one".