41521534 has 4 divisors (see below), whose sum is σ = 62282304. Its totient is φ = 20760766.

The previous prime is 41521489. The next prime is 41521537. The reversal of 41521534 is 43512514.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43512514 = 2 ⋅21756257.

It is a junction number, because it is equal to n+sod(n) for n = 41521499 and 41521508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41521537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10380382 + ... + 10380385.

It is an arithmetic number, because the mean of its divisors is an integer number (15570576).

Almost surely, 2^41521534 is an apocalyptic number.

41521534 is a deficient number, since it is larger than the sum of its proper divisors (20760770).

41521534 is a wasteful number, since it uses less digits than its factorization.

41521534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20760769.

The product of its digits is 2400, while the sum is 25.

The square root of 41521534 is about 6443.7205091469. The cubic root of 41521534 is about 346.2776514385.

The spelling of 41521534 in words is "forty-one million, five hundred twenty-one thousand, five hundred thirty-four".