42177097 has 2 divisors, whose sum is σ = 42177098. Its totient is φ = 42177096.

The previous prime is 42177089. The next prime is 42177127. The reversal of 42177097 is 79077124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 4280761 = 6156^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 42177097 - 2³ = 42177089 is a prime.

It is a super-2 number, since 2×42177097² = 3557815022694818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42177007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21088548 + 21088549.

It is an arithmetic number, because the mean of its divisors is an integer number (21088549).

Almost surely, 2^42177097 is an apocalyptic number.

It is an amenable number.

42177097 is a deficient number, since it is larger than the sum of its proper divisors (1).

42177097 is an equidigital number, since it uses as much as digits as its factorization.

42177097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 42177097 is about 6494.3896556951. The cubic root of 42177097 is about 348.0905459769.

The spelling of 42177097 in words is "forty-two million, one hundred seventy-seven thousand, ninety-seven".