42162313 has 2 divisors, whose sum is σ = 42162314. Its totient is φ = 42162312.

The previous prime is 42162301. The next prime is 42162347. The reversal of 42162313 is 31326124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 1814409 = 6352^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 42162313 - 2¹³ = 42154121 is a prime.

It is not a weakly prime, because it can be changed into another prime (42162353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21081156 + 21081157.

It is an arithmetic number, because the mean of its divisors is an integer number (21081157).

Almost surely, 2^42162313 is an apocalyptic number.

It is an amenable number.

42162313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42162313 is an equidigital number, since it uses as much as digits as its factorization.

42162313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 42162313 is about 6493.2513427404. The cubic root of 42162313 is about 348.0498700935.

Adding to 42162313 its reverse (31326124), we get a palindrome (73488437).

The spelling of 42162313 in words is "forty-two million, one hundred sixty-two thousand, three hundred thirteen".