41250521 has 16 divisors (see below), whose sum is σ = 45496080. Its totient is φ = 37171200.

The previous prime is 41250497. The next prime is 41250541. The reversal of 41250521 is 12505214.

It can be written as a sum of positive squares in 8 ways, for example, as 546121 + 40704400 = 739^2 + 6380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41250521 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41250493 and 41250502.

It is not an unprimeable number, because it can be changed into a prime (41250541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116681 + ... + 117033.

It is an arithmetic number, because the mean of its divisors is an integer number (2843505).

Almost surely, 2^41250521 is an apocalyptic number.

It is an amenable number.

41250521 is a deficient number, since it is larger than the sum of its proper divisors (4245559).

41250521 is a wasteful number, since it uses less digits than its factorization.

41250521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 41250521 is about 6422.6568489995. The cubic root of 41250521 is about 345.5226161734.

Adding to 41250521 its reverse (12505214), we get a palindrome (53755735).

The spelling of 41250521 in words is "forty-one million, two hundred fifty thousand, five hundred twenty-one".