41525721 has 6 divisors (see below), whose sum is σ = 59981610. Its totient is φ = 27683808.

The previous prime is 41525711. The next prime is 41525723. The reversal of 41525721 is 12752514.

41525721 is a `hidden beast` number, since 41 + 52 + 572 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 15515721 = 5100^2 + 3939^2 .

It is not a de Polignac number, because 41525721 - 2¹³ = 41517529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41525723) 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, 2306976 + ... + 2306993.

It is an arithmetic number, because the mean of its divisors is an integer number (9996935).

Almost surely, 2^41525721 is an apocalyptic number.

It is an amenable number.

41525721 is a deficient number, since it is larger than the sum of its proper divisors (18455889).

41525721 is a wasteful number, since it uses less digits than its factorization.

41525721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613975 (or 4613972 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 41525721 is about 6444.0453909016. The cubic root of 41525721 is about 346.2892905059.

The spelling of 41525721 in words is "forty-one million, five hundred twenty-five thousand, seven hundred twenty-one".