65530842 has 16 divisors (see below), whose sum is σ = 141143520. Its totient is φ = 20163312.

The previous prime is 65530837. The next prime is 65530853. The reversal of 65530842 is 24803556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419992 + ... + 420147.

It is an arithmetic number, because the mean of its divisors is an integer number (8821470).

Almost surely, 2^65530842 is an apocalyptic number.

65530842 is an abundant number, since it is smaller than the sum of its proper divisors (75612678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65530842 is a wasteful number, since it uses less digits than its factorization.

65530842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840157.

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

The square root of 65530842 is about 8095.1122289935. The cubic root of 65530842 is about 403.1641584220.

The spelling of 65530842 in words is "sixty-five million, five hundred thirty thousand, eight hundred forty-two".