325621116363401 has 4 divisors (see below), whose sum is σ = 339778556205312. Its totient is φ = 311463676521492.

The previous prime is 325621116363397. The next prime is 325621116363497. The reversal of 325621116363401 is 104363611126523.

It is a happy number.

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 325621116363401 - 2² = 325621116363397 is a prime.

It is a super-2 number, since 2×325621116363401² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325621116365401) 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, 7078719920921 + ... + 7078719920966.

It is an arithmetic number, because the mean of its divisors is an integer number (84944639051328).

Almost surely, 2^{325621116363401} is an apocalyptic number.

It is an amenable number.

325621116363401 is a deficient number, since it is larger than the sum of its proper divisors (14157439841911).

325621116363401 is a wasteful number, since it uses less digits than its factorization.

325621116363401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157439841910.

The product of its (nonzero) digits is 466560, while the sum is 44.

Adding to 325621116363401 its reverse (104363611126523), we get a palindrome (429984727489924).

The spelling of 325621116363401 in words is "three hundred twenty-five trillion, six hundred twenty-one billion, one hundred sixteen million, three hundred sixty-three thousand, four hundred one".