21325150241 has 4 divisors (see below), whose sum is σ = 21432312000. Its totient is φ = 21217988484.

The previous prime is 21325150199. The next prime is 21325150271. The reversal of 21325150241 is 14205152312.

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 21325150241 - 2⁶ = 21325150177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21325150241.

It is not an unprimeable number, because it can be changed into a prime (21325150271) 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, 53580581 + ... + 53580978.

It is an arithmetic number, because the mean of its divisors is an integer number (5358078000).

Almost surely, 2^21325150241 is an apocalyptic number.

It is an amenable number.

21325150241 is a deficient number, since it is larger than the sum of its proper divisors (107161759).

21325150241 is a wasteful number, since it uses less digits than its factorization.

21325150241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107161758.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 21325150241 in words is "twenty-one billion, three hundred twenty-five million, one hundred fifty thousand, two hundred forty-one".