1325025214521 has 4 divisors (see below), whose sum is σ = 1766700286032. Its totient is φ = 883350143012.

The previous prime is 1325025214517. The next prime is 1325025214523. The reversal of 1325025214521 is 1254125205231.

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.

It is a cyclic number.

It is not a de Polignac number, because 1325025214521 - 2² = 1325025214517 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1325025214523) 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, 220837535751 + ... + 220837535756.

It is an arithmetic number, because the mean of its divisors is an integer number (441675071508).

Almost surely, 2^{1325025214521} is an apocalyptic number.

It is an amenable number.

1325025214521 is a deficient number, since it is larger than the sum of its proper divisors (441675071511).

1325025214521 is an equidigital number, since it uses as much as digits as its factorization.

1325025214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441675071510.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 1325025214521 in words is "one trillion, three hundred twenty-five billion, twenty-five million, two hundred fourteen thousand, five hundred twenty-one".