1325465641 has 4 divisors (see below), whose sum is σ = 1329077632. Its totient is φ = 1321853652.

The previous prime is 1325465629. The next prime is 1325465653. The reversal of 1325465641 is 1465645231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1465645231 = 61 ⋅24026971.

It is an interprime number because it is at equal distance from previous prime (1325465629) and next prime (1325465653).

It is a cyclic number.

It is not a de Polignac number, because 1325465641 - 2⁷ = 1325465513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325465641.

It is not an unprimeable number, because it can be changed into a prime (1325465681) 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, 1805445 + ... + 1806178.

It is an arithmetic number, because the mean of its divisors is an integer number (332269408).

Almost surely, 2^1325465641 is an apocalyptic number.

It is an amenable number.

1325465641 is a deficient number, since it is larger than the sum of its proper divisors (3611991).

1325465641 is an equidigital number, since it uses as much as digits as its factorization.

1325465641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611990.

The product of its digits is 86400, while the sum is 37.

The square root of 1325465641 is about 36406.9449555988. The cubic root of 1325465641 is about 1098.4732651584.

The spelling of 1325465641 in words is "one billion, three hundred twenty-five million, four hundred sixty-five thousand, six hundred forty-one".