42413977 has 2 divisors, whose sum is σ = 42413978. Its totient is φ = 42413976.

The previous prime is 42413957. The next prime is 42413981. The reversal of 42413977 is 77931424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38489616 + 3924361 = 6204^2 + 1981^2 .

It is a cyclic number.

It is not a de Polignac number, because 42413977 - 2¹⁹ = 41889689 is a prime.

It is not a weakly prime, because it can be changed into another prime (42413957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21206988 + 21206989.

It is an arithmetic number, because the mean of its divisors is an integer number (21206989).

Almost surely, 2^42413977 is an apocalyptic number.

It is an amenable number.

42413977 is a deficient number, since it is larger than the sum of its proper divisors (1).

42413977 is an equidigital number, since it uses as much as digits as its factorization.

42413977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 42413977 is about 6512.6014003622. The cubic root of 42413977 is about 348.7409922178.

The spelling of 42413977 in words is "forty-two million, four hundred thirteen thousand, nine hundred seventy-seven".