1325452551 has 16 divisors (see below), whose sum is σ = 1813297920. Its totient is φ = 860690880.

The previous prime is 1325452547. The next prime is 1325452573. The reversal of 1325452551 is 1552545231.

It is not a de Polignac number, because 1325452551 - 2² = 1325452547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325452501) 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 15 ways as a sum of consecutive naturals, for example, 70710 + ... + 87468.

It is an arithmetic number, because the mean of its divisors is an integer number (113331120).

Almost surely, 2^1325452551 is an apocalyptic number.

1325452551 is a deficient number, since it is larger than the sum of its proper divisors (487845369).

1325452551 is a wasteful number, since it uses less digits than its factorization.

1325452551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17446.

The product of its digits is 30000, while the sum is 33.

The square root of 1325452551 is about 36406.7651817626. The cubic root of 1325452551 is about 1098.4696490550.

Adding to 1325452551 its reverse (1552545231), we get a palindrome (2877997782).

The spelling of 1325452551 in words is "one billion, three hundred twenty-five million, four hundred fifty-two thousand, five hundred fifty-one".