21325034001 has 8 divisors (see below), whose sum is σ = 28434208320. Its totient is φ = 14216274512.

The previous prime is 21325033999. The next prime is 21325034033. The reversal of 21325034001 is 10043052312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21325034001 - 2¹ = 21325033999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21325034501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47911 + ... + 212003.

It is an arithmetic number, because the mean of its divisors is an integer number (3554276040).

Almost surely, 2^21325034001 is an apocalyptic number.

It is an amenable number.

21325034001 is a deficient number, since it is larger than the sum of its proper divisors (7109174319).

21325034001 is a wasteful number, since it uses less digits than its factorization.

21325034001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207415.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 21325034001 its reverse (10043052312), we get a palindrome (31368086313).

The spelling of 21325034001 in words is "twenty-one billion, three hundred twenty-five million, thirty-four thousand, one".