41421517 has 6 divisors (see below), whose sum is σ = 41958798. Its totient is φ = 40891032.

The previous prime is 41421509. The next prime is 41421533. The reversal of 41421517 is 71512414.

It can be written as a sum of positive squares in only one way, i.e., 23222761 + 18198756 = 4819^2 + 4266^2 .

It is not a de Polignac number, because 41421517 - 2³ = 41421509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41421491 and 41421500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41421557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2923 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (6993133).

Almost surely, 2^41421517 is an apocalyptic number.

It is an amenable number.

41421517 is a deficient number, since it is larger than the sum of its proper divisors (537281).

41421517 is an frugal number, since it uses more digits than its factorization.

41421517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795 (or 6716 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 41421517 is about 6435.9550184879. The cubic root of 41421517 is about 345.9993902225. Note that the first 3 decimals are identical.

The spelling of 41421517 in words is "forty-one million, four hundred twenty-one thousand, five hundred seventeen".