325312657549 has 4 divisors (see below), whose sum is σ = 354886535520. Its totient is φ = 295738779580.

The previous prime is 325312657493. The next prime is 325312657567. The reversal of 325312657549 is 945756213523.

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 325312657549 - 2¹⁵ = 325312624781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325312657496 and 325312657505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325312651549) 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, 14786938969 + ... + 14786938990.

It is an arithmetic number, because the mean of its divisors is an integer number (88721633880).

Almost surely, 2^325312657549 is an apocalyptic number.

It is an amenable number.

325312657549 is a deficient number, since it is larger than the sum of its proper divisors (29573877971).

325312657549 is a wasteful number, since it uses less digits than its factorization.

325312657549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29573877970.

The product of its digits is 6804000, while the sum is 52.

The spelling of 325312657549 in words is "three hundred twenty-five billion, three hundred twelve million, six hundred fifty-seven thousand, five hundred forty-nine".