1344020525 has 24 divisors (see below), whose sum is σ = 1742489664. Its totient is φ = 1026432000.

The previous prime is 1344020521. The next prime is 1344020591. The reversal of 1344020525 is 5250204431.

It is a happy number.

It is not a de Polignac number, because 1344020525 - 2² = 1344020521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344020494 and 1344020503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344020521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329750 + ... + 333800.

It is an arithmetic number, because the mean of its divisors is an integer number (72603736).

Almost surely, 2^1344020525 is an apocalyptic number.

It is an amenable number.

1344020525 is a deficient number, since it is larger than the sum of its proper divisors (398469139).

1344020525 is a wasteful number, since it uses less digits than its factorization.

1344020525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661 (or 4656 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1344020525 is about 36660.8854912153. The cubic root of 1344020525 is about 1103.5752882737.

Adding to 1344020525 its reverse (5250204431), we get a palindrome (6594224956).

The spelling of 1344020525 in words is "one billion, three hundred forty-four million, twenty thousand, five hundred twenty-five".