42912941 has 2 divisors, whose sum is σ = 42912942. Its totient is φ = 42912940.

The previous prime is 42912929. The next prime is 42912983. The reversal of 42912941 is 14921924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 15768841 = 5210^2 + 3971^2 .

It is a cyclic number.

It is not a de Polignac number, because 42912941 - 2¹⁰ = 42911917 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42912898 and 42912907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42912901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21456470 + 21456471.

It is an arithmetic number, because the mean of its divisors is an integer number (21456471).

Almost surely, 2^42912941 is an apocalyptic number.

It is an amenable number.

42912941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42912941 is an equidigital number, since it uses as much as digits as its factorization.

42912941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 42912941 is about 6550.7969744146. The cubic root of 42912941 is about 350.1032103780.

The spelling of 42912941 in words is "forty-two million, nine hundred twelve thousand, nine hundred forty-one".