1325552546 has 4 divisors (see below), whose sum is σ = 1988328822. Its totient is φ = 662776272.

The previous prime is 1325552539. The next prime is 1325552549. The reversal of 1325552546 is 6452555231.

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

It can be written as a sum of positive squares in only one way, i.e., 798345025 + 527207521 = 28255^2 + 22961^2 .

It is not an unprimeable number, because it can be changed into a prime (1325552549) 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 as a sum of consecutive naturals, namely, 331388135 + ... + 331388138.

Almost surely, 2^1325552546 is an apocalyptic number.

1325552546 is a deficient number, since it is larger than the sum of its proper divisors (662776276).

1325552546 is an equidigital number, since it uses as much as digits as its factorization.

1325552546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662776275.

The product of its digits is 180000, while the sum is 38.

The square root of 1325552546 is about 36408.1384583173. The cubic root of 1325552546 is about 1098.4972720005.

The spelling of 1325552546 in words is "one billion, three hundred twenty-five million, five hundred fifty-two thousand, five hundred forty-six".