41561545 has 16 divisors (see below), whose sum is σ = 52881408. Its totient is φ = 31302720.

The previous prime is 41561539. The next prime is 41561579. The reversal of 41561545 is 54516514.

It is not a de Polignac number, because 41561545 - 2³ = 41561537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112 + ... + 9358.

It is an arithmetic number, because the mean of its divisors is an integer number (3305088).

Almost surely, 2^41561545 is an apocalyptic number.

It is an amenable number.

41561545 is a deficient number, since it is larger than the sum of its proper divisors (11319863).

41561545 is a wasteful number, since it uses less digits than its factorization.

41561545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320.

The product of its digits is 12000, while the sum is 31.

The square root of 41561545 is about 6446.8244120652. The cubic root of 41561545 is about 346.3888424750.

The spelling of 41561545 in words is "forty-one million, five hundred sixty-one thousand, five hundred forty-five".