41061621 has 4 divisors (see below), whose sum is σ = 54748832. Its totient is φ = 27374412.

The previous prime is 41061617. The next prime is 41061653. The reversal of 41061621 is 12616014.

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 not a de Polignac number, because 41061621 - 2² = 41061617 is a prime.

It is a super-3 number, since 3×41061621³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41061611) 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, 6843601 + ... + 6843606.

It is an arithmetic number, because the mean of its divisors is an integer number (13687208).

Almost surely, 2^41061621 is an apocalyptic number.

It is an amenable number.

41061621 is a deficient number, since it is larger than the sum of its proper divisors (13687211).

41061621 is a wasteful number, since it uses less digits than its factorization.

41061621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13687210.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 41061621 is about 6407.9342225088. The cubic root of 41061621 is about 344.9943876424.

Adding to 41061621 its reverse (12616014), we get a palindrome (53677635).

The spelling of 41061621 in words is "forty-one million, sixty-one thousand, six hundred twenty-one".