41723521 has 4 divisors (see below), whose sum is σ = 47684032. Its totient is φ = 35763012.

The previous prime is 41723503. The next prime is 41723533. The reversal of 41723521 is 12532714.

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 41723521 - 2⁷ = 41723393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41723581) 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, 2980245 + ... + 2980258.

It is an arithmetic number, because the mean of its divisors is an integer number (11921008).

Almost surely, 2^41723521 is an apocalyptic number.

It is an amenable number.

41723521 is a deficient number, since it is larger than the sum of its proper divisors (5960511).

41723521 is an equidigital number, since it uses as much as digits as its factorization.

41723521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960510.

The product of its digits is 1680, while the sum is 25.

The square root of 41723521 is about 6459.3746601355. The cubic root of 41723521 is about 346.8382478823.

The spelling of 41723521 in words is "forty-one million, seven hundred twenty-three thousand, five hundred twenty-one".