41225232421 has 4 divisors (see below), whose sum is σ = 41405255500. Its totient is φ = 41045209344.

The previous prime is 41225232409. The next prime is 41225232439. The reversal of 41225232421 is 12423252214.

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 38459524321 + 2765708100 = 196111^2 + 52590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41225232421 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 41225232421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41225236421) 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, 90011196 + ... + 90011653.

It is an arithmetic number, because the mean of its divisors is an integer number (10351313875).

Almost surely, 2^41225232421 is an apocalyptic number.

It is an amenable number.

41225232421 is a deficient number, since it is larger than the sum of its proper divisors (180023079).

41225232421 is a wasteful number, since it uses less digits than its factorization.

41225232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180023078.

The product of its digits is 7680, while the sum is 28.

Adding to 41225232421 its reverse (12423252214), we get a palindrome (53648484635).

The spelling of 41225232421 in words is "forty-one billion, two hundred twenty-five million, two hundred thirty-two thousand, four hundred twenty-one".