52041609 has 12 divisors (see below), whose sum is σ = 77955696. Its totient is φ = 34694244.

The previous prime is 52041553. The next prime is 52041623. The reversal of 52041609 is 90614025.

52041609 is a `hidden beast` number, since 52 + 0 + 4 + 1 + 609 = 666.

It is not a de Polignac number, because 52041609 - 2¹⁹ = 51517321 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52041629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106839 + ... + 107324.

It is an arithmetic number, because the mean of its divisors is an integer number (6496308).

Almost surely, 2^52041609 is an apocalyptic number.

It is an amenable number.

52041609 is a deficient number, since it is larger than the sum of its proper divisors (25914087).

52041609 is an equidigital number, since it uses as much as digits as its factorization.

52041609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214178 (or 214166 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 52041609 is about 7213.9870390790. The cubic root of 52041609 is about 373.3506443043.

It can be divided in two parts, 52041 and 609, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 52041609 in words is "fifty-two million, forty-one thousand, six hundred nine".