42580365 has 16 divisors (see below), whose sum is σ = 68257728. Its totient is φ = 22666496.

The previous prime is 42580357. The next prime is 42580367. The reversal of 42580365 is 56308524.

42580365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42580365 - 2³ = 42580357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42580367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6502 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (4266108).

Almost surely, 2^42580365 is an apocalyptic number.

It is an amenable number.

42580365 is a deficient number, since it is larger than the sum of its proper divisors (25677363).

42580365 is a wasteful number, since it uses less digits than its factorization.

42580365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 42580365 is about 6525.3632082820. The cubic root of 42580365 is about 349.1964285864.

Adding to 42580365 its reverse (56308524), we get a palindrome (98888889).

The spelling of 42580365 in words is "forty-two million, five hundred eighty thousand, three hundred sixty-five".