325344033661 has 4 divisors (see below), whose sum is σ = 344481918012. Its totient is φ = 306206149312.

The previous prime is 325344033659. The next prime is 325344033673. The reversal of 325344033661 is 166330443523.

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

It can be written as a sum of positive squares in 2 ways, for example, as 126971781561 + 198372252100 = 356331^2 + 445390^2 .

It is a cyclic number.

It is not a de Polignac number, because 325344033661 - 2¹ = 325344033659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325344037661) 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, 9568942150 + ... + 9568942183.

It is an arithmetic number, because the mean of its divisors is an integer number (86120479503).

Almost surely, 2^325344033661 is an apocalyptic number.

It is an amenable number.

325344033661 is a deficient number, since it is larger than the sum of its proper divisors (19137884351).

325344033661 is a wasteful number, since it uses less digits than its factorization.

325344033661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19137884350.

The product of its (nonzero) digits is 466560, while the sum is 40.

The spelling of 325344033661 in words is "three hundred twenty-five billion, three hundred forty-four million, thirty-three thousand, six hundred sixty-one".