8520741 has 16 divisors (see below), whose sum is σ = 13173120. Its totient is φ = 5433120.

The previous prime is 8520739. The next prime is 8520749. The reversal of 8520741 is 1470258.

It is not a de Polignac number, because 8520741 - 2¹ = 8520739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520749) 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, 6240 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (823320).

Almost surely, 2^8520741 is an apocalyptic number.

It is an amenable number.

8520741 is a deficient number, since it is larger than the sum of its proper divisors (4652379).

8520741 is a wasteful number, since it uses less digits than its factorization.

8520741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753 (or 13747 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 8520741 is about 2919.0308323140. The cubic root of 8520741 is about 204.2486155733.

Adding to 8520741 its reverse (1470258), we get a palindrome (9990999).

It can be divided in two parts, 8520 and 741, that added together give a cube (9261 = 21³).

The spelling of 8520741 in words is "eight million, five hundred twenty thousand, seven hundred forty-one".