1441452521 has 8 divisors (see below), whose sum is σ = 1463148960. Its totient is φ = 1419913152.

The previous prime is 1441452473. The next prime is 1441452553. The reversal of 1441452521 is 1252541441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441452521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441452421) 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, 20711 + ... + 57548.

It is an arithmetic number, because the mean of its divisors is an integer number (182893620).

Almost surely, 2^1441452521 is an apocalyptic number.

It is an amenable number.

1441452521 is a deficient number, since it is larger than the sum of its proper divisors (21696439).

1441452521 is a wasteful number, since it uses less digits than its factorization.

1441452521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78535.

The product of its digits is 6400, while the sum is 29.

The square root of 1441452521 is about 37966.4657428105. The cubic root of 1441452521 is about 1129.6227944529.

Adding to 1441452521 its reverse (1252541441), we get a palindrome (2693993962).

The spelling of 1441452521 in words is "one billion, four hundred forty-one million, four hundred fifty-two thousand, five hundred twenty-one".