42293177 has 2 divisors, whose sum is σ = 42293178. Its totient is φ = 42293176.

The previous prime is 42293143. The next prime is 42293197. The reversal of 42293177 is 77139224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26460736 + 15832441 = 5144^2 + 3979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42293177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42293117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21146588 + 21146589.

It is an arithmetic number, because the mean of its divisors is an integer number (21146589).

Almost surely, 2^42293177 is an apocalyptic number.

It is an amenable number.

42293177 is a deficient number, since it is larger than the sum of its proper divisors (1).

42293177 is an equidigital number, since it uses as much as digits as its factorization.

42293177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 42293177 is about 6503.3204595806. The cubic root of 42293177 is about 348.4095922617.

The spelling of 42293177 in words is "forty-two million, two hundred ninety-three thousand, one hundred seventy-seven".