1325453523 has 8 divisors (see below), whose sum is σ = 1769980368. Its totient is φ = 882281184.

The previous prime is 1325453443. The next prime is 1325453527. The reversal of 1325453523 is 3253545231.

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

It is not a de Polignac number, because 1325453523 - 2¹² = 1325449427 is a prime.

It is a super-2 number, since 2×1325453523² = 3513654083266223058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325453527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336340 + ... + 340257.

It is an arithmetic number, because the mean of its divisors is an integer number (221247546).

Almost surely, 2^1325453523 is an apocalyptic number.

1325453523 is a deficient number, since it is larger than the sum of its proper divisors (444526845).

1325453523 is an equidigital number, since it uses as much as digits as its factorization.

1325453523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677253.

The product of its digits is 54000, while the sum is 33.

The square root of 1325453523 is about 36406.7785309275. The cubic root of 1325453523 is about 1098.4699175702.

Adding to 1325453523 its reverse (3253545231), we get a palindrome (4578998754).

The spelling of 1325453523 in words is "one billion, three hundred twenty-five million, four hundred fifty-three thousand, five hundred twenty-three".