42546212 has 6 divisors (see below), whose sum is σ = 74455878. Its totient is φ = 21273104.

The previous prime is 42546211. The next prime is 42546239. The reversal of 42546212 is 21264524.

It can be written as a sum of positive squares in only one way, i.e., 23658496 + 18887716 = 4864^2 + 4346^2 .

It is not an unprimeable number, because it can be changed into a prime (42546211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5318273 + ... + 5318280.

It is an arithmetic number, because the mean of its divisors is an integer number (12409313).

Almost surely, 2^42546212 is an apocalyptic number.

It is an amenable number.

42546212 is a deficient number, since it is larger than the sum of its proper divisors (31909666).

42546212 is a wasteful number, since it uses less digits than its factorization.

42546212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636557 (or 10636555 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 42546212 is about 6522.7457408671. The cubic root of 42546212 is about 349.1030420719.

The spelling of 42546212 in words is "forty-two million, five hundred forty-six thousand, two hundred twelve".