1325452531 has 4 divisors (see below), whose sum is σ = 1427410432. Its totient is φ = 1223494632.

The previous prime is 1325452529. The next prime is 1325452543. The reversal of 1325452531 is 1352545231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1325452531 - 2¹ = 1325452529 is a prime.

It is a super-2 number, since 2×1325452531² = 3513648823868611922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1325452493 and 1325452502.

It is not an unprimeable number, because it can be changed into a prime (1325452501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50978931 + ... + 50978956.

It is an arithmetic number, because the mean of its divisors is an integer number (356852608).

Almost surely, 2^1325452531 is an apocalyptic number.

1325452531 is a deficient number, since it is larger than the sum of its proper divisors (101957901).

1325452531 is a wasteful number, since it uses less digits than its factorization.

1325452531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101957900.

The product of its digits is 18000, while the sum is 31.

The square root of 1325452531 is about 36406.7649070884. The cubic root of 1325452531 is about 1098.4696435300.

Adding to 1325452531 its reverse (1352545231), we get a palindrome (2677997762).

The spelling of 1325452531 in words is "one billion, three hundred twenty-five million, four hundred fifty-two thousand, five hundred thirty-one".